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98 vulnerabilities found for by curl
CVE-2026-107929 (GCVE-0-2026-107929)
Vulnerability from cvelistv5
Published
2026-10-20 20:29
Modified
2026-10-20 20:29
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When `CURLOPT_INTERFACE` (or the command line tool's `--interface` option) is
set with one of the documented prefixes (`if!`, `host!`, `ifhost!`), that
binding is not part of the connection reuse key, so a later transfer asking
for a different source can silently reuse an existing connection and go out
from the earlier transfer's source address
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 |
{
"containers": {
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"affected": [
{
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"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
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{
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"status": "affected",
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"status": "affected",
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"versionType": "semver"
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{
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"status": "affected",
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"versionType": "semver"
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"status": "affected",
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"versionType": "semver"
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{
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"status": "affected",
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"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.1",
"status": "affected",
"version": "8.9.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.0",
"status": "affected",
"version": "8.9.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Maksim Hayder"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "When `CURLOPT_INTERFACE` (or the command line tool\u0027s `--interface` option) is\nset with one of the documented prefixes (`if!`, `host!`, `ifhost!`), that\nbinding is not part of the connection reuse key, so a later transfer asking\nfor a different source can silently reuse an existing connection and go out\nfrom the earlier transfer\u0027s source address"
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-488 Exposure of Data Element to Wrong Session",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:29:28.177Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-107929.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-107929.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4099618"
}
],
"title": "local interface connection reuse mixup"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-107929",
"datePublished": "2026-10-20T20:29:28.177Z",
"dateReserved": "2026-10-09T07:51:38.463Z",
"dateUpdated": "2026-10-20T20:29:28.177Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-107928 (GCVE-0-2026-107928)
Vulnerability from cvelistv5
Published
2026-10-20 20:28
Modified
2026-10-20 20:28
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When curl is built with GnuTLS, a malicious WebSocket server can make curl
send memory past its send buffer. This is due to an out of bounds read
following when `gnutls_record_send()` returns a number of bytes sent **greater
than the number of bytes it was given to send**. GnuTLS does that after a
blocked send.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.20.0",
"status": "affected",
"version": "8.20.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.19.0",
"status": "affected",
"version": "8.19.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.18.0",
"status": "affected",
"version": "8.18.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.17.0",
"status": "affected",
"version": "8.17.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.16.0",
"status": "affected",
"version": "8.16.0",
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},
{
"lessThanOrEqual": "8.15.0",
"status": "affected",
"version": "8.15.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.14.1",
"status": "affected",
"version": "8.14.1",
"versionType": "semver"
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{
"lessThanOrEqual": "8.14.0",
"status": "affected",
"version": "8.14.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.13.0",
"status": "affected",
"version": "8.13.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.12.1",
"status": "affected",
"version": "8.12.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.12.0",
"status": "affected",
"version": "8.12.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.11.1",
"status": "affected",
"version": "8.11.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.11.0",
"status": "affected",
"version": "8.11.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.1",
"status": "affected",
"version": "8.10.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.0",
"status": "affected",
"version": "8.10.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.1",
"status": "affected",
"version": "8.9.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.0",
"status": "affected",
"version": "8.9.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.8.0",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.1",
"status": "affected",
"version": "8.7.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.0",
"status": "affected",
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"status": "affected",
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"lessThanOrEqual": "8.4.0",
"status": "affected",
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{
"lessThanOrEqual": "8.3.0",
"status": "affected",
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"lessThanOrEqual": "8.2.1",
"status": "affected",
"version": "8.2.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.2.0",
"status": "affected",
"version": "8.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.2",
"status": "affected",
"version": "8.1.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.1",
"status": "affected",
"version": "8.1.1",
"versionType": "semver"
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{
"lessThanOrEqual": "8.1.0",
"status": "affected",
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"versionType": "semver"
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"lessThanOrEqual": "8.0.1",
"status": "affected",
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{
"lessThanOrEqual": "8.0.0",
"status": "affected",
"version": "8.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.1",
"status": "affected",
"version": "7.88.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.0",
"status": "affected",
"version": "7.88.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.87.0",
"status": "affected",
"version": "7.87.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.86.0",
"status": "affected",
"version": "7.86.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Luna with Claude"
},
{
"lang": "en",
"type": "finder",
"value": "Anthropic"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "When curl is built with GnuTLS, a malicious WebSocket server can make curl\nsend memory past its send buffer. This is due to an out of bounds read\nfollowing when `gnutls_record_send()` returns a number of bytes sent **greater\nthan the number of bytes it was given to send**. GnuTLS does that after a\nblocked send."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-126 Buffer Over-read",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:28:17.712Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-107928.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-107928.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4099194"
}
],
"title": "info leak uploading over WebSockets with GnuTLS"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-107928",
"datePublished": "2026-10-20T20:28:17.712Z",
"dateReserved": "2026-10-09T07:51:36.688Z",
"dateUpdated": "2026-10-20T20:28:17.712Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-94266 (GCVE-0-2026-94266)
Vulnerability from cvelistv5
Published
2026-10-20 20:27
Modified
2026-10-20 20:27
Severity ?
VLAI Severity ?
EPSS score ?
Summary
libcurl could accidentally return a URL for `curl_easy_getinfo()`'s
`CURLINFO_EFFECTIVE_URL` option containing credentials, even though neither
the URL provided to libcurl nor the redirected URL did.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
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"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
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"status": "affected",
"version": "8.21.0",
"versionType": "semver"
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},
{
"lessThanOrEqual": "8.11.1",
"status": "affected",
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"versionType": "semver"
},
{
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"status": "affected",
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{
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},
{
"lessThanOrEqual": "8.9.1",
"status": "affected",
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"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.0",
"status": "affected",
"version": "8.9.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.8.0",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.1",
"status": "affected",
"version": "8.7.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.0",
"status": "affected",
"version": "8.7.0",
"versionType": "semver"
},
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"versionType": "semver"
},
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"status": "affected",
"version": "8.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.0.1",
"status": "affected",
"version": "8.0.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.0.0",
"status": "affected",
"version": "8.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.1",
"status": "affected",
"version": "7.88.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.0",
"status": "affected",
"version": "7.88.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.87.0",
"status": "affected",
"version": "7.87.0",
"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
{
"lessThanOrEqual": "7.85.0",
"status": "affected",
"version": "7.85.0",
"versionType": "semver"
},
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"lessThanOrEqual": "7.84.0",
"status": "affected",
"version": "7.84.0",
"versionType": "semver"
},
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"lessThanOrEqual": "7.83.1",
"status": "affected",
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"versionType": "semver"
},
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"status": "affected",
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},
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},
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"lessThanOrEqual": "7.81.0",
"status": "affected",
"version": "7.81.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.80.0",
"status": "affected",
"version": "7.80.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.79.1",
"status": "affected",
"version": "7.79.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.79.0",
"status": "affected",
"version": "7.79.0",
"versionType": "semver"
},
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"lessThanOrEqual": "7.78.0",
"status": "affected",
"version": "7.78.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.77.0",
"status": "affected",
"version": "7.77.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.76.1",
"status": "affected",
"version": "7.76.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.76.0",
"status": "affected",
"version": "7.76.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.75.0",
"status": "affected",
"version": "7.75.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.74.0",
"status": "affected",
"version": "7.74.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.73.0",
"status": "affected",
"version": "7.73.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.72.0",
"status": "affected",
"version": "7.72.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.71.1",
"status": "affected",
"version": "7.71.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.71.0",
"status": "affected",
"version": "7.71.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.70.0",
"status": "affected",
"version": "7.70.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.69.1",
"status": "affected",
"version": "7.69.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.69.0",
"status": "affected",
"version": "7.69.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.68.0",
"status": "affected",
"version": "7.68.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.67.0",
"status": "affected",
"version": "7.67.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.66.0",
"status": "affected",
"version": "7.66.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.65.3",
"status": "affected",
"version": "7.65.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.65.2",
"status": "affected",
"version": "7.65.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.65.1",
"status": "affected",
"version": "7.65.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.65.0",
"status": "affected",
"version": "7.65.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.64.1",
"status": "affected",
"version": "7.64.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.64.0",
"status": "affected",
"version": "7.64.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.63.0",
"status": "affected",
"version": "7.63.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.62.0",
"status": "affected",
"version": "7.62.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Joshua Rogers (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "libcurl could accidentally return a URL for `curl_easy_getinfo()`\u0027s\n`CURLINFO_EFFECTIVE_URL` option containing credentials, even though neither\nthe URL provided to libcurl nor the redirected URL did."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-522 Insufficiently Protected Credentials",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:27:21.585Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-94266.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-94266.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4041053"
}
],
"title": "password leak in CURLINFO_EFFECTIVE_URL"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-94266",
"datePublished": "2026-10-20T20:27:21.585Z",
"dateReserved": "2026-09-21T09:07:46.185Z",
"dateUpdated": "2026-10-20T20:27:21.585Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-94265 (GCVE-0-2026-94265)
Vulnerability from cvelistv5
Published
2026-10-20 20:26
Modified
2026-10-20 20:26
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When processing an HTTP redirect to a URL containing userinfo (a
`username:password` component), curl might erroneously retain and re-transmit
the original host's HTTP Negotiate authentication state. Consequently, a
malicious server can trigger a redirect containing arbitrary userinfo to force
curl to send a freshly minted Kerberos ticket—generated using the ambient
identity of the client process to an untrusted third-party host, effectively
bypassing the domain-scoping restrictions normally enforced by the absence of
`--location-trusted`.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Joshua Rogers (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Joshua Rogers (Aisle Research)"
}
],
"descriptions": [
{
"lang": "en",
"value": "When processing an HTTP redirect to a URL containing userinfo (a\n`username:password` component), curl might erroneously retain and re-transmit\nthe original host\u0027s HTTP Negotiate authentication state. Consequently, a\nmalicious server can trigger a redirect containing arbitrary userinfo to force\ncurl to send a freshly minted Kerberos ticket\u2014generated using the ambient\nidentity of the client process to an untrusted third-party host, effectively\nbypassing the domain-scoping restrictions normally enforced by the absence of\n`--location-trusted`."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:26:18.061Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-94265.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-94265.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4040551"
}
],
"title": "Authorization: Negotiate sent to foreign origin"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-94265",
"datePublished": "2026-10-20T20:26:18.061Z",
"dateReserved": "2026-09-21T09:07:44.636Z",
"dateUpdated": "2026-10-20T20:26:18.061Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-92391 (GCVE-0-2026-92391)
Vulnerability from cvelistv5
Published
2026-10-20 20:24
Modified
2026-10-20 20:24
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A deeply nested multipart MIME structure constructed via the public API causes
a stack overflow in libcurl during normal cleanup operations. An excessive
recursion depth within `curl_mime_free` leads to unbounded stack frame
allocation during structure traversal, ultimately crashing the host process.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 Version: 7.61.1 ≤ 7.61.1 Version: 7.61.0 ≤ 7.61.0 Version: 7.60.0 ≤ 7.60.0 Version: 7.59.0 ≤ 7.59.0 Version: 7.58.0 ≤ 7.58.0 Version: 7.57.0 ≤ 7.57.0 Version: 7.56.1 ≤ 7.56.1 Version: 7.56.0 ≤ 7.56.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.20.0",
"status": "affected",
"version": "8.20.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.19.0",
"status": "affected",
"version": "8.19.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.18.0",
"status": "affected",
"version": "8.18.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.17.0",
"status": "affected",
"version": "8.17.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.16.0",
"status": "affected",
"version": "8.16.0",
"versionType": "semver"
},
{
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},
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"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
{
"lessThanOrEqual": "8.13.0",
"status": "affected",
"version": "8.13.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.12.1",
"status": "affected",
"version": "8.12.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.12.0",
"status": "affected",
"version": "8.12.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.11.1",
"status": "affected",
"version": "8.11.1",
"versionType": "semver"
},
{
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"status": "affected",
"version": "8.11.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.1",
"status": "affected",
"version": "8.10.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.0",
"status": "affected",
"version": "8.10.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.1",
"status": "affected",
"version": "8.9.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.0",
"status": "affected",
"version": "8.9.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.8.0",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.1",
"status": "affected",
"version": "8.7.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.0",
"status": "affected",
"version": "8.7.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.6.0",
"status": "affected",
"version": "8.6.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.5.0",
"status": "affected",
"version": "8.5.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.4.0",
"status": "affected",
"version": "8.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.3.0",
"status": "affected",
"version": "8.3.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.2.1",
"status": "affected",
"version": "8.2.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.2.0",
"status": "affected",
"version": "8.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.2",
"status": "affected",
"version": "8.1.2",
"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
{
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"versionType": "semver"
},
{
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"status": "affected",
"version": "8.0.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.0.0",
"status": "affected",
"version": "8.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.1",
"status": "affected",
"version": "7.88.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.0",
"status": "affected",
"version": "7.88.0",
"versionType": "semver"
},
{
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"status": "affected",
"version": "7.87.0",
"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
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},
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},
{
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},
{
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"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
{
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"versionType": "semver"
},
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"versionType": "semver"
},
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"status": "affected",
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"versionType": "semver"
},
{
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"status": "affected",
"version": "7.79.0",
"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
{
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"status": "affected",
"version": "7.76.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.76.0",
"status": "affected",
"version": "7.76.0",
"versionType": "semver"
},
{
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"versionType": "semver"
},
{
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"versionType": "semver"
},
{
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"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
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},
{
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"versionType": "semver"
},
{
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"status": "affected",
"version": "7.70.0",
"versionType": "semver"
},
{
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"status": "affected",
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"versionType": "semver"
},
{
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"status": "affected",
"version": "7.69.0",
"versionType": "semver"
},
{
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"status": "affected",
"version": "7.68.0",
"versionType": "semver"
},
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"versionType": "semver"
},
{
"lessThanOrEqual": "7.66.0",
"status": "affected",
"version": "7.66.0",
"versionType": "semver"
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]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Joshua Rogers (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "A deeply nested multipart MIME structure constructed via the public API causes\na stack overflow in libcurl during normal cleanup operations. An excessive\nrecursion depth within `curl_mime_free` leads to unbounded stack frame\nallocation during structure traversal, ultimately crashing the host process."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-674 Uncontrolled Recursion",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:24:10.745Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-92391.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-92391.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4024222"
}
],
"title": "curl_mime_free stack overflow by recursion"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-92391",
"datePublished": "2026-10-20T20:24:10.745Z",
"dateReserved": "2026-09-16T08:12:51.911Z",
"dateUpdated": "2026-10-20T20:24:10.745Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-92390 (GCVE-0-2026-92390)
Vulnerability from cvelistv5
Published
2026-10-20 20:23
Modified
2026-10-20 20:23
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When invoked with `--remote-header-name` (`-J`), curl fails to preserve its
documented anti-clobbering protection if an intermediate 103 Early Hints
response precedes the final HTTP response, or if an `ETag` header is processed
before `Content-Disposition` under `--etag-save`. This flaw allows an HTTP(S)
server to overwrite an existing local file specified in the
`Content-Disposition` header despite the presence of the `-J` non-overwrite
constraint.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 Version: 7.61.1 ≤ 7.61.1 Version: 7.61.0 ≤ 7.61.0 Version: 7.60.0 ≤ 7.60.0 Version: 7.59.0 ≤ 7.59.0 Version: 7.58.0 ≤ 7.58.0 Version: 7.57.0 ≤ 7.57.0 Version: 7.56.1 ≤ 7.56.1 Version: 7.56.0 ≤ 7.56.0 Version: 7.55.1 ≤ 7.55.1 Version: 7.55.0 ≤ 7.55.0 Version: 7.54.1 ≤ 7.54.1 Version: 7.54.0 ≤ 7.54.0 Version: 7.53.1 ≤ 7.53.1 Version: 7.53.0 ≤ 7.53.0 Version: 7.52.1 ≤ 7.52.1 Version: 7.52.0 ≤ 7.52.0 Version: 7.51.0 ≤ 7.51.0 Version: 7.50.3 ≤ 7.50.3 Version: 7.50.2 ≤ 7.50.2 Version: 7.50.1 ≤ 7.50.1 Version: 7.50.0 ≤ 7.50.0 Version: 7.49.1 ≤ 7.49.1 Version: 7.49.0 ≤ 7.49.0 Version: 7.48.0 ≤ 7.48.0 Version: 7.47.1 ≤ 7.47.1 Version: 7.47.0 ≤ 7.47.0 Version: 7.46.0 ≤ 7.46.0 Version: 7.45.0 ≤ 7.45.0 Version: 7.44.0 ≤ 7.44.0 Version: 7.43.0 ≤ 7.43.0 Version: 7.42.1 ≤ 7.42.1 Version: 7.42.0 ≤ 7.42.0 Version: 7.41.0 ≤ 7.41.0 Version: 7.40.0 ≤ 7.40.0 Version: 7.39.0 ≤ 7.39.0 Version: 7.38.0 ≤ 7.38.0 Version: 7.37.1 ≤ 7.37.1 Version: 7.37.0 ≤ 7.37.0 Version: 7.36.0 ≤ 7.36.0 Version: 7.35.0 ≤ 7.35.0 Version: 7.34.0 ≤ 7.34.0 Version: 7.33.0 ≤ 7.33.0 Version: 7.32.0 ≤ 7.32.0 Version: 7.31.0 ≤ 7.31.0 Version: 7.30.0 ≤ 7.30.0 Version: 7.29.0 ≤ 7.29.0 Version: 7.28.1 ≤ 7.28.1 Version: 7.28.0 ≤ 7.28.0 Version: 7.27.0 ≤ 7.27.0 Version: 7.26.0 ≤ 7.26.0 Version: 7.25.0 ≤ 7.25.0 Version: 7.24.0 ≤ 7.24.0 Version: 7.23.1 ≤ 7.23.1 Version: 7.23.0 ≤ 7.23.0 Version: 7.22.0 ≤ 7.22.0 Version: 7.21.7 ≤ 7.21.7 Version: 7.21.6 ≤ 7.21.6 Version: 7.21.5 ≤ 7.21.5 Version: 7.21.4 ≤ 7.21.4 Version: 7.21.3 ≤ 7.21.3 Version: 7.21.2 ≤ 7.21.2 Version: 7.21.1 ≤ 7.21.1 Version: 7.21.0 ≤ 7.21.0 Version: 7.20.1 ≤ 7.20.1 Version: 7.20.0 ≤ 7.20.0 |
{
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]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Joshua Rogers (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Joshua Rogers (Aisle Research)"
}
],
"descriptions": [
{
"lang": "en",
"value": "When invoked with `--remote-header-name` (`-J`), curl fails to preserve its\ndocumented anti-clobbering protection if an intermediate 103 Early Hints\nresponse precedes the final HTTP response, or if an `ETag` header is processed\nbefore `Content-Disposition` under `--etag-save`. This flaw allows an HTTP(S)\nserver to overwrite an existing local file specified in the\n`Content-Disposition` header despite the presence of the `-J` non-overwrite\nconstraint."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-73 External Control of File Name or Path",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:23:08.900Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-92390.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-92390.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4023192"
}
],
"title": "-J no-clobber guarantee bypassed with 103 early hints"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-92390",
"datePublished": "2026-10-20T20:23:08.900Z",
"dateReserved": "2026-09-16T08:12:50.387Z",
"dateUpdated": "2026-10-20T20:23:08.900Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-92389 (GCVE-0-2026-92389)
Vulnerability from cvelistv5
Published
2026-10-20 20:21
Modified
2026-10-20 20:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
libcurl's TFTP state machine fails to validate state transitions against the
requested transfer direction, accepting opening server responses for both
reads and writes interchangeably. A malicious TFTP server can respond to a
download request in a way that forces the client into transmit mode, prompting
libcurl to consume and transmit data from the handle's persistent
`CURLOPT_READDATA` pointer - including data remaining from unrelated prior
operations, such as an HTTP POST request executed on a reused handle.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 Version: 7.61.1 ≤ 7.61.1 Version: 7.61.0 ≤ 7.61.0 Version: 7.60.0 ≤ 7.60.0 Version: 7.59.0 ≤ 7.59.0 Version: 7.58.0 ≤ 7.58.0 Version: 7.57.0 ≤ 7.57.0 Version: 7.56.1 ≤ 7.56.1 Version: 7.56.0 ≤ 7.56.0 Version: 7.55.1 ≤ 7.55.1 Version: 7.55.0 ≤ 7.55.0 Version: 7.54.1 ≤ 7.54.1 Version: 7.54.0 ≤ 7.54.0 Version: 7.53.1 ≤ 7.53.1 Version: 7.53.0 ≤ 7.53.0 Version: 7.52.1 ≤ 7.52.1 Version: 7.52.0 ≤ 7.52.0 Version: 7.51.0 ≤ 7.51.0 Version: 7.50.3 ≤ 7.50.3 Version: 7.50.2 ≤ 7.50.2 Version: 7.50.1 ≤ 7.50.1 Version: 7.50.0 ≤ 7.50.0 Version: 7.49.1 ≤ 7.49.1 Version: 7.49.0 ≤ 7.49.0 Version: 7.48.0 ≤ 7.48.0 Version: 7.47.1 ≤ 7.47.1 Version: 7.47.0 ≤ 7.47.0 Version: 7.46.0 ≤ 7.46.0 Version: 7.45.0 ≤ 7.45.0 Version: 7.44.0 ≤ 7.44.0 Version: 7.43.0 ≤ 7.43.0 Version: 7.42.1 ≤ 7.42.1 Version: 7.42.0 ≤ 7.42.0 Version: 7.41.0 ≤ 7.41.0 Version: 7.40.0 ≤ 7.40.0 Version: 7.39.0 ≤ 7.39.0 Version: 7.38.0 ≤ 7.38.0 Version: 7.37.1 ≤ 7.37.1 Version: 7.37.0 ≤ 7.37.0 Version: 7.36.0 ≤ 7.36.0 Version: 7.35.0 ≤ 7.35.0 Version: 7.34.0 ≤ 7.34.0 Version: 7.33.0 ≤ 7.33.0 Version: 7.32.0 ≤ 7.32.0 Version: 7.31.0 ≤ 7.31.0 Version: 7.30.0 ≤ 7.30.0 Version: 7.29.0 ≤ 7.29.0 Version: 7.28.1 ≤ 7.28.1 Version: 7.28.0 ≤ 7.28.0 Version: 7.27.0 ≤ 7.27.0 Version: 7.26.0 ≤ 7.26.0 Version: 7.25.0 ≤ 7.25.0 Version: 7.24.0 ≤ 7.24.0 Version: 7.23.1 ≤ 7.23.1 Version: 7.23.0 ≤ 7.23.0 Version: 7.22.0 ≤ 7.22.0 Version: 7.21.7 ≤ 7.21.7 Version: 7.21.6 ≤ 7.21.6 Version: 7.21.5 ≤ 7.21.5 Version: 7.21.4 ≤ 7.21.4 Version: 7.21.3 ≤ 7.21.3 Version: 7.21.2 ≤ 7.21.2 Version: 7.21.1 ≤ 7.21.1 Version: 7.21.0 ≤ 7.21.0 Version: 7.20.1 ≤ 7.20.1 Version: 7.20.0 ≤ 7.20.0 Version: 7.19.7 ≤ 7.19.7 Version: 7.19.6 ≤ 7.19.6 Version: 7.19.5 ≤ 7.19.5 Version: 7.19.4 ≤ 7.19.4 Version: 7.19.3 ≤ 7.19.3 Version: 7.19.2 ≤ 7.19.2 Version: 7.19.1 ≤ 7.19.1 Version: 7.19.0 ≤ 7.19.0 Version: 7.18.2 ≤ 7.18.2 Version: 7.18.1 ≤ 7.18.1 Version: 7.18.0 ≤ 7.18.0 Version: 7.17.1 ≤ 7.17.1 Version: 7.17.0 ≤ 7.17.0 Version: 7.16.4 ≤ 7.16.4 Version: 7.16.3 ≤ 7.16.3 Version: 7.16.2 ≤ 7.16.2 Version: 7.16.1 ≤ 7.16.1 Version: 7.16.0 ≤ 7.16.0 Version: 7.15.5 ≤ 7.15.5 Version: 7.15.4 ≤ 7.15.4 Version: 7.15.3 ≤ 7.15.3 Version: 7.15.2 ≤ 7.15.2 Version: 7.15.1 ≤ 7.15.1 Version: 7.15.0 ≤ 7.15.0 |
{
"containers": {
"cna": {
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"vendor": "curl",
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]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Joshua Rogers (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "libcurl\u0027s TFTP state machine fails to validate state transitions against the\nrequested transfer direction, accepting opening server responses for both\nreads and writes interchangeably. A malicious TFTP server can respond to a\ndownload request in a way that forces the client into transmit mode, prompting\nlibcurl to consume and transmit data from the handle\u0027s persistent\n`CURLOPT_READDATA` pointer - including data remaining from unrelated prior\noperations, such as an HTTP POST request executed on a reused handle."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:21:45.378Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-92389.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-92389.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4022568"
}
],
"title": "TFTP direction confusion"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-92389",
"datePublished": "2026-10-20T20:21:45.378Z",
"dateReserved": "2026-09-16T08:12:48.831Z",
"dateUpdated": "2026-10-20T20:21:45.378Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-92388 (GCVE-0-2026-92388)
Vulnerability from cvelistv5
Published
2026-10-20 20:20
Modified
2026-10-20 20:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When an FTP wildcard `LIST` operation fails, libcurl omits the restoration
path meant for successful listings, leaving the write callback set to the
internal listing parser and the write callback data pointing directly to the
easy handle. Subsequent reuse of this handle triggers an immediate crash, and
cloning it via `curl_easy_duphandle()` copies this corrupted state into the
duplicate. If the original handle is subsequently freed, executing a transfer
on the cloned handle causes a heap use-after-free read against the dangling
handle reference; alternatively, reusing the original or cloned handle while
changing only `CURLOPT_WRITEDATA` (and omitting `CURLOPT_WRITEFUNCTION`)
results in type confusion, forcing the internal parser to interpret incoming
server response bytes into memory at the application-supplied write data
pointer.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 Version: 7.61.1 ≤ 7.61.1 Version: 7.61.0 ≤ 7.61.0 Version: 7.60.0 ≤ 7.60.0 Version: 7.59.0 ≤ 7.59.0 Version: 7.58.0 ≤ 7.58.0 Version: 7.57.0 ≤ 7.57.0 Version: 7.56.1 ≤ 7.56.1 Version: 7.56.0 ≤ 7.56.0 Version: 7.55.1 ≤ 7.55.1 Version: 7.55.0 ≤ 7.55.0 Version: 7.54.1 ≤ 7.54.1 Version: 7.54.0 ≤ 7.54.0 Version: 7.53.1 ≤ 7.53.1 Version: 7.53.0 ≤ 7.53.0 Version: 7.52.1 ≤ 7.52.1 Version: 7.52.0 ≤ 7.52.0 Version: 7.51.0 ≤ 7.51.0 Version: 7.50.3 ≤ 7.50.3 Version: 7.50.2 ≤ 7.50.2 Version: 7.50.1 ≤ 7.50.1 Version: 7.50.0 ≤ 7.50.0 Version: 7.49.1 ≤ 7.49.1 Version: 7.49.0 ≤ 7.49.0 Version: 7.48.0 ≤ 7.48.0 Version: 7.47.1 ≤ 7.47.1 Version: 7.47.0 ≤ 7.47.0 Version: 7.46.0 ≤ 7.46.0 Version: 7.45.0 ≤ 7.45.0 Version: 7.44.0 ≤ 7.44.0 Version: 7.43.0 ≤ 7.43.0 Version: 7.42.1 ≤ 7.42.1 Version: 7.42.0 ≤ 7.42.0 Version: 7.41.0 ≤ 7.41.0 Version: 7.40.0 ≤ 7.40.0 Version: 7.39.0 ≤ 7.39.0 Version: 7.38.0 ≤ 7.38.0 Version: 7.37.1 ≤ 7.37.1 Version: 7.37.0 ≤ 7.37.0 Version: 7.36.0 ≤ 7.36.0 Version: 7.35.0 ≤ 7.35.0 Version: 7.34.0 ≤ 7.34.0 Version: 7.33.0 ≤ 7.33.0 Version: 7.32.0 ≤ 7.32.0 Version: 7.31.0 ≤ 7.31.0 Version: 7.30.0 ≤ 7.30.0 Version: 7.29.0 ≤ 7.29.0 Version: 7.28.1 ≤ 7.28.1 Version: 7.28.0 ≤ 7.28.0 Version: 7.27.0 ≤ 7.27.0 Version: 7.26.0 ≤ 7.26.0 Version: 7.25.0 ≤ 7.25.0 Version: 7.24.0 ≤ 7.24.0 Version: 7.23.1 ≤ 7.23.1 Version: 7.23.0 ≤ 7.23.0 Version: 7.22.0 ≤ 7.22.0 Version: 7.21.7 ≤ 7.21.7 Version: 7.21.6 ≤ 7.21.6 Version: 7.21.5 ≤ 7.21.5 Version: 7.21.4 ≤ 7.21.4 Version: 7.21.3 ≤ 7.21.3 Version: 7.21.2 ≤ 7.21.2 Version: 7.21.1 ≤ 7.21.1 Version: 7.21.0 ≤ 7.21.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
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],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Joshua Rogers (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "When an FTP wildcard `LIST` operation fails, libcurl omits the restoration\npath meant for successful listings, leaving the write callback set to the\ninternal listing parser and the write callback data pointing directly to the\neasy handle. Subsequent reuse of this handle triggers an immediate crash, and\ncloning it via `curl_easy_duphandle()` copies this corrupted state into the\nduplicate. If the original handle is subsequently freed, executing a transfer\non the cloned handle causes a heap use-after-free read against the dangling\nhandle reference; alternatively, reusing the original or cloned handle while\nchanging only `CURLOPT_WRITEDATA` (and omitting `CURLOPT_WRITEFUNCTION`)\nresults in type confusion, forcing the internal parser to interpret incoming\nserver response bytes into memory at the application-supplied write data\npointer."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-416 Use After Free",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:20:41.220Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-92388.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-92388.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4022070"
}
],
"title": "FTP wildcard write callback mixup"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-92388",
"datePublished": "2026-10-20T20:20:41.220Z",
"dateReserved": "2026-09-16T08:12:47.245Z",
"dateUpdated": "2026-10-20T20:20:41.220Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-92387 (GCVE-0-2026-92387)
Vulnerability from cvelistv5
Published
2026-10-20 20:19
Modified
2026-10-20 20:19
Severity ?
VLAI Severity ?
EPSS score ?
Summary
By permanently omitting the final control-response line, a malicious FTP,
IMAP, POP3, or SMTP server can exploit libcurl and completely bypass its
configured transfer timeout mechanism, indefinitely blocking all concurrent
transfers bound to the same multi-handle.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 |
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},
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"status": "affected",
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"versionType": "semver"
},
{
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"credits": [
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"lang": "en",
"type": "finder",
"value": "Joshua Rogers (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "By permanently omitting the final control-response line, a malicious FTP,\nIMAP, POP3, or SMTP server can exploit libcurl and completely bypass its\nconfigured transfer timeout mechanism, indefinitely blocking all concurrent\ntransfers bound to the same multi-handle."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-835 Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:19:14.672Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
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"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-92387.json"
},
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"url": "https://curl.se/docs/CVE-2026-92387.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4022003"
}
],
"title": "never-ending loop via server response omission"
}
},
"cveMetadata": {
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"assignerShortName": "curl",
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"datePublished": "2026-10-20T20:19:14.672Z",
"dateReserved": "2026-09-16T08:12:45.613Z",
"dateUpdated": "2026-10-20T20:19:14.672Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-92386 (GCVE-0-2026-92386)
Vulnerability from cvelistv5
Published
2026-10-20 20:17
Modified
2026-10-20 20:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When writing a long cookie name and value to a Netscape cookie jar, a remote
HTTP server can make `curl` write a record that exceeds its line-length
parsing limit. Consequently, any subsequent `curl` invocation reading from
that same cookie jar using `--cookie` silently aborts parsing prematurely upon
encountering the too long line, ignoring all subsequent valid cookies in the
file.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.20.0",
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"versionType": "semver"
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{
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{
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"versionType": "semver"
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{
"lessThanOrEqual": "8.8.0",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
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{
"lessThanOrEqual": "8.7.1",
"status": "affected",
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"lang": "en",
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"value": "Joshua Rogers (Aisle Research)"
},
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"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "When writing a long cookie name and value to a Netscape cookie jar, a remote\nHTTP server can make `curl` write a record that exceeds its line-length\nparsing limit. Consequently, any subsequent `curl` invocation reading from\nthat same cookie jar using `--cookie` silently aborts parsing prematurely upon\nencountering the too long line, ignoring all subsequent valid cookies in the\nfile."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-1284 Improper Validation of Specified Quantity in Input",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:17:37.356Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-92386.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-92386.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4021979"
}
],
"title": "server-set cookie aborts cookie jar load"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-92386",
"datePublished": "2026-10-20T20:17:37.356Z",
"dateReserved": "2026-09-16T08:12:42.908Z",
"dateUpdated": "2026-10-20T20:17:37.356Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-87866 (GCVE-0-2026-87866)
Vulnerability from cvelistv5
Published
2026-10-20 20:16
Modified
2026-10-20 20:16
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When built with wolfSSL, curl can successfully validate a pinned public key
hash against a key the TLS peer does not possess. During the TLS handshake,
wolfSSL validates the connection, but curl's subsequent re-parsing of the same
certificate - tricked by a manipulated validity length field - extracts and
matches a different embedded key, incorrectly authorizing the pinned public
key.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 Version: 7.61.1 ≤ 7.61.1 Version: 7.61.0 ≤ 7.61.0 Version: 7.60.0 ≤ 7.60.0 Version: 7.59.0 ≤ 7.59.0 Version: 7.58.0 ≤ 7.58.0 Version: 7.57.0 ≤ 7.57.0 Version: 7.56.1 ≤ 7.56.1 Version: 7.56.0 ≤ 7.56.0 Version: 7.55.1 ≤ 7.55.1 Version: 7.55.0 ≤ 7.55.0 Version: 7.54.1 ≤ 7.54.1 Version: 7.54.0 ≤ 7.54.0 Version: 7.53.1 ≤ 7.53.1 Version: 7.53.0 ≤ 7.53.0 Version: 7.52.1 ≤ 7.52.1 Version: 7.52.0 ≤ 7.52.0 Version: 7.51.0 ≤ 7.51.0 Version: 7.50.3 ≤ 7.50.3 Version: 7.50.2 ≤ 7.50.2 Version: 7.50.1 ≤ 7.50.1 Version: 7.50.0 ≤ 7.50.0 Version: 7.49.1 ≤ 7.49.1 Version: 7.49.0 ≤ 7.49.0 Version: 7.48.0 ≤ 7.48.0 Version: 7.47.1 ≤ 7.47.1 Version: 7.47.0 ≤ 7.47.0 Version: 7.46.0 ≤ 7.46.0 Version: 7.45.0 ≤ 7.45.0 Version: 7.44.0 ≤ 7.44.0 Version: 7.43.0 ≤ 7.43.0 |
{
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"status": "affected",
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{
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{
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{
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{
"lessThanOrEqual": "7.57.0",
"status": "affected",
"version": "7.57.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.56.1",
"status": "affected",
"version": "7.56.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.56.0",
"status": "affected",
"version": "7.56.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.55.1",
"status": "affected",
"version": "7.55.1",
"versionType": "semver"
},
{
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{
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{
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"status": "affected",
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{
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"versionType": "semver"
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{
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"status": "affected",
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},
{
"lessThanOrEqual": "7.52.1",
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"versionType": "semver"
},
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"version": "7.52.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.51.0",
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{
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{
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},
{
"lessThanOrEqual": "7.47.1",
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"status": "affected",
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{
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},
{
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"status": "affected",
"version": "7.45.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.44.0",
"status": "affected",
"version": "7.44.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.43.0",
"status": "affected",
"version": "7.43.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Muhamad Arga Reksapati"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "When built with wolfSSL, curl can successfully validate a pinned public key\nhash against a key the TLS peer does not possess. During the TLS handshake,\nwolfSSL validates the connection, but curl\u0027s subsequent re-parsing of the same\ncertificate - tricked by a manipulated validity length field - extracts and\nmatches a different embedded key, incorrectly authorizing the pinned public\nkey."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-295 Improper Certificate Validation",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:16:30.866Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-87866.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-87866.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3989514"
}
],
"title": "wolfSSL public-key pinning bypass"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-87866",
"datePublished": "2026-10-20T20:16:30.866Z",
"dateReserved": "2026-09-09T13:17:42.764Z",
"dateUpdated": "2026-10-20T20:16:30.866Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-87865 (GCVE-0-2026-87865)
Vulnerability from cvelistv5
Published
2026-10-20 20:15
Modified
2026-10-20 20:15
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When libcurl uses libssh2 with a hashed `known_hosts` file, an unrelated
initial entry can cause host key validation to report a key *mismatch* as a
*missing* key to the `CURLOPT_SSH_KEYFUNCTION` callback.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
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"versionType": "semver"
},
{
"lessThanOrEqual": "8.20.0",
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},
{
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},
{
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{
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{
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},
{
"lessThanOrEqual": "8.15.0",
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"versionType": "semver"
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"versionType": "semver"
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{
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"versionType": "semver"
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{
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"status": "affected",
"version": "7.74.0",
"versionType": "semver"
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{
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"status": "affected",
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"versionType": "semver"
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"status": "affected",
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"versionType": "semver"
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"status": "affected",
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"versionType": "semver"
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"status": "affected",
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"status": "affected",
"version": "7.70.0",
"versionType": "semver"
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{
"lessThanOrEqual": "7.69.1",
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"version": "7.69.1",
"versionType": "semver"
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]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Bobbeh Rhino"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Bobbeh Rhino"
}
],
"descriptions": [
{
"lang": "en",
"value": "When libcurl uses libssh2 with a hashed `known_hosts` file, an unrelated\ninitial entry can cause host key validation to report a key *mismatch* as a\n*missing* key to the `CURLOPT_SSH_KEYFUNCTION` callback."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-295 Improper Certificate Validation",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:15:13.165Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-87865.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-87865.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3975408"
}
],
"title": "knownhost callback mismatches key as missing"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-87865",
"datePublished": "2026-10-20T20:15:13.165Z",
"dateReserved": "2026-09-09T13:17:41.347Z",
"dateUpdated": "2026-10-20T20:15:13.165Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-87863 (GCVE-0-2026-87863)
Vulnerability from cvelistv5
Published
2026-10-20 20:13
Modified
2026-10-20 20:13
Severity ?
VLAI Severity ?
EPSS score ?
Summary
An authenticated HTTPS origin can supply an HSTS `max-age` value that the
parser accepts, but time serialization later fails to process. On 64-bit
systems, extreme max-age values compute an absolute expiry within standard
time integer limits that exceeds calendar time structure bounds. During cache
saves, the original HSTS file is truncated before writing a temporary
replacement; when serialization fails, the temporary file is deleted, leaving
an empty or partial cache. Because the save error is silently ignored during
cleanup, curl exits successfully despite the data loss.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.20.0",
"status": "affected",
"version": "8.20.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.19.0",
"status": "affected",
"version": "8.19.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.18.0",
"status": "affected",
"version": "8.18.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.17.0",
"status": "affected",
"version": "8.17.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.16.0",
"status": "affected",
"version": "8.16.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.15.0",
"status": "affected",
"version": "8.15.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.14.1",
"status": "affected",
"version": "8.14.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.14.0",
"status": "affected",
"version": "8.14.0",
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},
{
"lessThanOrEqual": "8.13.0",
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},
{
"lessThanOrEqual": "8.12.1",
"status": "affected",
"version": "8.12.1",
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},
{
"lessThanOrEqual": "8.12.0",
"status": "affected",
"version": "8.12.0",
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},
{
"lessThanOrEqual": "8.11.1",
"status": "affected",
"version": "8.11.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.11.0",
"status": "affected",
"version": "8.11.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.1",
"status": "affected",
"version": "8.10.1",
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},
{
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"status": "affected",
"version": "8.10.0",
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},
{
"lessThanOrEqual": "8.9.1",
"status": "affected",
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"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.0",
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"version": "8.9.0",
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},
{
"lessThanOrEqual": "8.8.0",
"status": "affected",
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},
{
"lessThanOrEqual": "8.7.1",
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{
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},
{
"lessThanOrEqual": "8.6.0",
"status": "affected",
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"versionType": "semver"
},
{
"lessThanOrEqual": "8.5.0",
"status": "affected",
"version": "8.5.0",
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},
{
"lessThanOrEqual": "8.4.0",
"status": "affected",
"version": "8.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.3.0",
"status": "affected",
"version": "8.3.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.2.1",
"status": "affected",
"version": "8.2.1",
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},
{
"lessThanOrEqual": "8.2.0",
"status": "affected",
"version": "8.2.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "An authenticated HTTPS origin can supply an HSTS `max-age` value that the\nparser accepts, but time serialization later fails to process. On 64-bit\nsystems, extreme max-age values compute an absolute expiry within standard\ntime integer limits that exceeds calendar time structure bounds. During cache\nsaves, the original HSTS file is truncated before writing a temporary\nreplacement; when serialization fails, the temporary file is deleted, leaving\nan empty or partial cache. Because the save error is silently ignored during\ncleanup, curl exits successfully despite the data loss."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-201 Information Exposure Through Sent Data",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:13:22.379Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-87863.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-87863.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3972373"
}
],
"title": "HSTS response erases persisted entries"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-87863",
"datePublished": "2026-10-20T20:13:22.379Z",
"dateReserved": "2026-09-09T13:17:38.076Z",
"dateUpdated": "2026-10-20T20:13:22.379Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-87864 (GCVE-0-2026-87864)
Vulnerability from cvelistv5
Published
2026-10-20 20:13
Modified
2026-10-20 20:13
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Enabling `CURLOPT_CRLF` causes curl to advertise the raw input byte count in
the `IMAP APPEND {N}` literal while transmitting line-ending expanded data.
The server reads only $N$ bytes for the payload, causing the remaining
overflow bytes to be interpreted and executed as pipelined IMAP commands
within the authenticated session.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 Version: 7.61.1 ≤ 7.61.1 Version: 7.61.0 ≤ 7.61.0 Version: 7.60.0 ≤ 7.60.0 Version: 7.59.0 ≤ 7.59.0 Version: 7.58.0 ≤ 7.58.0 Version: 7.57.0 ≤ 7.57.0 Version: 7.56.1 ≤ 7.56.1 Version: 7.56.0 ≤ 7.56.0 Version: 7.55.1 ≤ 7.55.1 Version: 7.55.0 ≤ 7.55.0 Version: 7.54.1 ≤ 7.54.1 Version: 7.54.0 ≤ 7.54.0 Version: 7.53.1 ≤ 7.53.1 Version: 7.53.0 ≤ 7.53.0 Version: 7.52.1 ≤ 7.52.1 Version: 7.52.0 ≤ 7.52.0 Version: 7.51.0 ≤ 7.51.0 Version: 7.50.3 ≤ 7.50.3 Version: 7.50.2 ≤ 7.50.2 Version: 7.50.1 ≤ 7.50.1 Version: 7.50.0 ≤ 7.50.0 Version: 7.49.1 ≤ 7.49.1 Version: 7.49.0 ≤ 7.49.0 Version: 7.48.0 ≤ 7.48.0 Version: 7.47.1 ≤ 7.47.1 Version: 7.47.0 ≤ 7.47.0 Version: 7.46.0 ≤ 7.46.0 Version: 7.45.0 ≤ 7.45.0 Version: 7.44.0 ≤ 7.44.0 Version: 7.43.0 ≤ 7.43.0 Version: 7.42.1 ≤ 7.42.1 Version: 7.42.0 ≤ 7.42.0 Version: 7.41.0 ≤ 7.41.0 Version: 7.40.0 ≤ 7.40.0 Version: 7.39.0 ≤ 7.39.0 Version: 7.38.0 ≤ 7.38.0 Version: 7.37.1 ≤ 7.37.1 Version: 7.37.0 ≤ 7.37.0 Version: 7.36.0 ≤ 7.36.0 Version: 7.35.0 ≤ 7.35.0 Version: 7.34.0 ≤ 7.34.0 Version: 7.33.0 ≤ 7.33.0 Version: 7.32.0 ≤ 7.32.0 Version: 7.31.0 ≤ 7.31.0 Version: 7.30.0 ≤ 7.30.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
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"versionType": "semver"
},
{
"lessThanOrEqual": "7.50.1",
"status": "affected",
"version": "7.50.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.50.0",
"status": "affected",
"version": "7.50.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.49.1",
"status": "affected",
"version": "7.49.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.49.0",
"status": "affected",
"version": "7.49.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.48.0",
"status": "affected",
"version": "7.48.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.47.1",
"status": "affected",
"version": "7.47.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.47.0",
"status": "affected",
"version": "7.47.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.46.0",
"status": "affected",
"version": "7.46.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.45.0",
"status": "affected",
"version": "7.45.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.44.0",
"status": "affected",
"version": "7.44.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.43.0",
"status": "affected",
"version": "7.43.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.42.1",
"status": "affected",
"version": "7.42.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.42.0",
"status": "affected",
"version": "7.42.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.41.0",
"status": "affected",
"version": "7.41.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.40.0",
"status": "affected",
"version": "7.40.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.39.0",
"status": "affected",
"version": "7.39.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.38.0",
"status": "affected",
"version": "7.38.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.37.1",
"status": "affected",
"version": "7.37.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.37.0",
"status": "affected",
"version": "7.37.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.36.0",
"status": "affected",
"version": "7.36.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.35.0",
"status": "affected",
"version": "7.35.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.34.0",
"status": "affected",
"version": "7.34.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.33.0",
"status": "affected",
"version": "7.33.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.32.0",
"status": "affected",
"version": "7.32.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.31.0",
"status": "affected",
"version": "7.31.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.30.0",
"status": "affected",
"version": "7.30.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "Enabling `CURLOPT_CRLF` causes curl to advertise the raw input byte count in\nthe `IMAP APPEND {N}` literal while transmitting line-ending expanded data.\nThe server reads only $N$ bytes for the payload, causing the remaining\noverflow bytes to be interpreted and executed as pipelined IMAP commands\nwithin the authenticated session."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-130 Improper Handling of Length Parameter Inconsistency",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:13:13.359Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-87864.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-87864.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3972403"
}
],
"title": "IMAP APPEND plus CRLF conversion command injection"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-87864",
"datePublished": "2026-10-20T20:13:13.359Z",
"dateReserved": "2026-09-09T13:17:39.832Z",
"dateUpdated": "2026-10-20T20:13:13.359Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-87862 (GCVE-0-2026-87862)
Vulnerability from cvelistv5
Published
2026-10-20 20:10
Modified
2026-10-20 20:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Importing a `includeSubDomains` parent HSTS entry before a longer-lived child
entry, silently drops the child. Consequently, when the parent expires, the
child's valid HSTS policy is lost, causing curl to issue unencrypted HTTP
requests rather than upgrading to HTTPS.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.20.0",
"status": "affected",
"version": "8.20.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.19.0",
"status": "affected",
"version": "8.19.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.18.0",
"status": "affected",
"version": "8.18.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.17.0",
"status": "affected",
"version": "8.17.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.16.0",
"status": "affected",
"version": "8.16.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.15.0",
"status": "affected",
"version": "8.15.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.14.1",
"status": "affected",
"version": "8.14.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.14.0",
"status": "affected",
"version": "8.14.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.13.0",
"status": "affected",
"version": "8.13.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.12.1",
"status": "affected",
"version": "8.12.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.12.0",
"status": "affected",
"version": "8.12.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.11.1",
"status": "affected",
"version": "8.11.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.11.0",
"status": "affected",
"version": "8.11.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "Importing a `includeSubDomains` parent HSTS entry before a longer-lived child\nentry, silently drops the child. Consequently, when the parent expires, the\nchild\u0027s valid HSTS policy is lost, causing curl to issue unencrypted HTTP\nrequests rather than upgrading to HTTPS."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-201 Information Exposure Through Sent Data",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:10:37.039Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-87862.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-87862.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3972357"
}
],
"title": "HSTS cache import drops longer-lived child"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-87862",
"datePublished": "2026-10-20T20:10:37.039Z",
"dateReserved": "2026-09-09T13:17:36.482Z",
"dateUpdated": "2026-10-20T20:10:37.039Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-87861 (GCVE-0-2026-87861)
Vulnerability from cvelistv5
Published
2026-10-20 20:09
Modified
2026-10-20 20:09
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When using ambient user credentials, an HTTP request directed to one origin
may be dispatched over a connection previously authenticated via Negotiate for
a different origin, leaving the request's intended credentials unused.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Axel Mierczuk"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "When using ambient user credentials, an HTTP request directed to one origin\nmay be dispatched over a connection previously authenticated via Negotiate for\na different origin, leaving the request\u0027s intended credentials unused."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-201 Information Exposure Through Sent Data",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:09:28.592Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-87861.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-87861.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3972094"
}
],
"title": "cross-origin reuse of a Negotiate connection"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-87861",
"datePublished": "2026-10-20T20:09:28.592Z",
"dateReserved": "2026-09-09T13:17:34.696Z",
"dateUpdated": "2026-10-20T20:09:28.592Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-86415 (GCVE-0-2026-86415)
Vulnerability from cvelistv5
Published
2026-10-20 20:08
Modified
2026-10-20 20:08
Severity ?
VLAI Severity ?
EPSS score ?
Summary
libcurl's connection cache match function never considers the automatic client
certificate option, so a cached, already authenticated Schannel connection can
be handed to a transfer that got redirected to a different origin, even though
the code explicitly switched off the auto client cert option for that transfer
to prevent exactly this.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "libcurl\u0027s connection cache match function never considers the automatic client\ncertificate option, so a cached, already authenticated Schannel connection can\nbe handed to a transfer that got redirected to a different origin, even though\nthe code explicitly switched off the auto client cert option for that transfer\nto prevent exactly this."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-201 Information Exposure Through Sent Data",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:08:29.941Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-86415.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-86415.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3993870"
}
],
"title": "auto client cert connection reuse mixup"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-86415",
"datePublished": "2026-10-20T20:08:29.941Z",
"dateReserved": "2026-09-07T12:11:55.106Z",
"dateUpdated": "2026-10-20T20:08:29.941Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-86414 (GCVE-0-2026-86414)
Vulnerability from cvelistv5
Published
2026-10-20 20:07
Modified
2026-10-20 20:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
An HTTP proxy can trick libcurl into sending the origin's credentials (Basic
password, or a Negotiate/Kerberos ticket) to the proxy itself, by answering
the `CONNECT` tunnel request with 401 `WWW-Authenticate:` instead of the
expected 407 `Proxy-Authenticate:`.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 Version: 7.61.1 ≤ 7.61.1 Version: 7.61.0 ≤ 7.61.0 Version: 7.60.0 ≤ 7.60.0 Version: 7.59.0 ≤ 7.59.0 Version: 7.58.0 ≤ 7.58.0 Version: 7.57.0 ≤ 7.57.0 Version: 7.56.1 ≤ 7.56.1 Version: 7.56.0 ≤ 7.56.0 Version: 7.55.1 ≤ 7.55.1 Version: 7.55.0 ≤ 7.55.0 Version: 7.54.1 ≤ 7.54.1 Version: 7.54.0 ≤ 7.54.0 Version: 7.53.1 ≤ 7.53.1 Version: 7.53.0 ≤ 7.53.0 Version: 7.52.1 ≤ 7.52.1 Version: 7.52.0 ≤ 7.52.0 Version: 7.51.0 ≤ 7.51.0 Version: 7.50.3 ≤ 7.50.3 Version: 7.50.2 ≤ 7.50.2 Version: 7.50.1 ≤ 7.50.1 Version: 7.50.0 ≤ 7.50.0 Version: 7.49.1 ≤ 7.49.1 Version: 7.49.0 ≤ 7.49.0 Version: 7.48.0 ≤ 7.48.0 Version: 7.47.1 ≤ 7.47.1 Version: 7.47.0 ≤ 7.47.0 Version: 7.46.0 ≤ 7.46.0 Version: 7.45.0 ≤ 7.45.0 Version: 7.44.0 ≤ 7.44.0 Version: 7.43.0 ≤ 7.43.0 Version: 7.42.1 ≤ 7.42.1 Version: 7.42.0 ≤ 7.42.0 Version: 7.41.0 ≤ 7.41.0 Version: 7.40.0 ≤ 7.40.0 Version: 7.39.0 ≤ 7.39.0 Version: 7.38.0 ≤ 7.38.0 Version: 7.37.1 ≤ 7.37.1 Version: 7.37.0 ≤ 7.37.0 Version: 7.36.0 ≤ 7.36.0 Version: 7.35.0 ≤ 7.35.0 Version: 7.34.0 ≤ 7.34.0 Version: 7.33.0 ≤ 7.33.0 Version: 7.32.0 ≤ 7.32.0 Version: 7.31.0 ≤ 7.31.0 Version: 7.30.0 ≤ 7.30.0 Version: 7.29.0 ≤ 7.29.0 Version: 7.28.1 ≤ 7.28.1 Version: 7.28.0 ≤ 7.28.0 Version: 7.27.0 ≤ 7.27.0 Version: 7.26.0 ≤ 7.26.0 Version: 7.25.0 ≤ 7.25.0 Version: 7.24.0 ≤ 7.24.0 Version: 7.23.1 ≤ 7.23.1 Version: 7.23.0 ≤ 7.23.0 Version: 7.22.0 ≤ 7.22.0 Version: 7.21.7 ≤ 7.21.7 Version: 7.21.6 ≤ 7.21.6 Version: 7.21.5 ≤ 7.21.5 Version: 7.21.4 ≤ 7.21.4 Version: 7.21.3 ≤ 7.21.3 Version: 7.21.2 ≤ 7.21.2 Version: 7.21.1 ≤ 7.21.1 Version: 7.21.0 ≤ 7.21.0 Version: 7.20.1 ≤ 7.20.1 Version: 7.20.0 ≤ 7.20.0 Version: 7.19.7 ≤ 7.19.7 Version: 7.19.6 ≤ 7.19.6 Version: 7.19.5 ≤ 7.19.5 Version: 7.19.4 ≤ 7.19.4 Version: 7.19.3 ≤ 7.19.3 Version: 7.19.2 ≤ 7.19.2 Version: 7.19.1 ≤ 7.19.1 Version: 7.19.0 ≤ 7.19.0 Version: 7.18.2 ≤ 7.18.2 Version: 7.18.1 ≤ 7.18.1 Version: 7.18.0 ≤ 7.18.0 Version: 7.17.1 ≤ 7.17.1 Version: 7.17.0 ≤ 7.17.0 Version: 7.16.4 ≤ 7.16.4 Version: 7.16.3 ≤ 7.16.3 Version: 7.16.2 ≤ 7.16.2 Version: 7.16.1 ≤ 7.16.1 Version: 7.16.0 ≤ 7.16.0 Version: 7.15.5 ≤ 7.15.5 Version: 7.15.4 ≤ 7.15.4 Version: 7.15.3 ≤ 7.15.3 Version: 7.15.2 ≤ 7.15.2 Version: 7.15.1 ≤ 7.15.1 Version: 7.15.0 ≤ 7.15.0 Version: 7.14.1 ≤ 7.14.1 Version: 7.14.0 ≤ 7.14.0 Version: 7.13.2 ≤ 7.13.2 Version: 7.13.1 ≤ 7.13.1 Version: 7.13.0 ≤ 7.13.0 Version: 7.12.3 ≤ 7.12.3 Version: 7.12.2 ≤ 7.12.2 Version: 7.12.1 ≤ 7.12.1 Version: 7.12.0 ≤ 7.12.0 Version: 7.11.2 ≤ 7.11.2 Version: 7.11.1 ≤ 7.11.1 Version: 7.11.0 ≤ 7.11.0 Version: 7.10.8 ≤ 7.10.8 |
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"status": "affected",
"version": "7.14.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.14.0",
"status": "affected",
"version": "7.14.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.13.2",
"status": "affected",
"version": "7.13.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.13.1",
"status": "affected",
"version": "7.13.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.13.0",
"status": "affected",
"version": "7.13.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.12.3",
"status": "affected",
"version": "7.12.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.12.2",
"status": "affected",
"version": "7.12.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.12.1",
"status": "affected",
"version": "7.12.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.12.0",
"status": "affected",
"version": "7.12.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.11.2",
"status": "affected",
"version": "7.11.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.11.1",
"status": "affected",
"version": "7.11.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.11.0",
"status": "affected",
"version": "7.11.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.10.8",
"status": "affected",
"version": "7.10.8",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "An HTTP proxy can trick libcurl into sending the origin\u0027s credentials (Basic\npassword, or a Negotiate/Kerberos ticket) to the proxy itself, by answering\nthe `CONNECT` tunnel request with 401 `WWW-Authenticate:` instead of the\nexpected 407 `Proxy-Authenticate:`."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-201 Information Exposure Through Sent Data",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:07:22.464Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-86414.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-86414.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3993566"
}
],
"title": "leaking host credentials to HTTP proxy"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-86414",
"datePublished": "2026-10-20T20:07:22.464Z",
"dateReserved": "2026-09-07T12:11:53.662Z",
"dateUpdated": "2026-10-20T20:07:22.464Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-86413 (GCVE-0-2026-86413)
Vulnerability from cvelistv5
Published
2026-10-20 20:06
Modified
2026-10-20 20:06
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When using an *ambient user* in a first transfer doing Negotiate
authentication and asked to follow redirects, curl could pass on its
credential details to an unrelated second origin when asked to redirect there.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "When using an *ambient user* in a first transfer doing Negotiate\nauthentication and asked to follow redirects, curl could pass on its\ncredential details to an unrelated second origin when asked to redirect there."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-201 Information Exposure Through Sent Data",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:06:11.699Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-86413.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-86413.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3993549"
}
],
"title": "Negotiate credentials sent to redirected origin"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-86413",
"datePublished": "2026-10-20T20:06:11.699Z",
"dateReserved": "2026-09-07T12:11:52.093Z",
"dateUpdated": "2026-10-20T20:06:11.699Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-86412 (GCVE-0-2026-86412)
Vulnerability from cvelistv5
Published
2026-10-20 20:03
Modified
2026-10-20 20:03
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A remote HTTP server can set a cookie that curl accepts and writes to a
Netscape cookie jar but cannot reload. On the next invocation using the same
path for `--cookie` and `--cookie-jar`, curl fails before connecting, then the
cleanup procedure replaces the jar with an empty file, deleting cookies for
unrelated domains.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.20.0",
"status": "affected",
"version": "8.20.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.19.0",
"status": "affected",
"version": "8.19.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.18.0",
"status": "affected",
"version": "8.18.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "A remote HTTP server can set a cookie that curl accepts and writes to a\nNetscape cookie jar but cannot reload. On the next invocation using the same\npath for `--cookie` and `--cookie-jar`, curl fails before connecting, then the\ncleanup procedure replaces the jar with an empty file, deleting cookies for\nunrelated domains."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:03:28.200Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-86412.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-86412.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3973201"
}
],
"title": "server-set cookie erases cookie jar"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-86412",
"datePublished": "2026-10-20T20:03:28.200Z",
"dateReserved": "2026-09-07T12:11:50.326Z",
"dateUpdated": "2026-10-20T20:03:28.200Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-86411 (GCVE-0-2026-86411)
Vulnerability from cvelistv5
Published
2026-10-20 20:02
Modified
2026-10-20 20:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
An `ftp://` transfer configured with `CURLUSESSL_NONE` can reuse a pooled FTP
control connection that a previous easy handle upgraded with `STARTTLS` and
authenticated using a client certificate. The second handle performs neither a
new TLS handshake nor a new FTP login, so the server continues to authorize it
under the first handle's certificate identity.
References
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Stefan Eissing"
}
],
"descriptions": [
{
"lang": "en",
"value": "An `ftp://` transfer configured with `CURLUSESSL_NONE` can reuse a pooled FTP\ncontrol connection that a previous easy handle upgraded with `STARTTLS` and\nauthenticated using a client certificate. The second handle performs neither a\nnew TLS handshake nor a new FTP login, so the server continues to authorize it\nunder the first handle\u0027s certificate identity."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-488 Exposure of Data Element to Wrong Session",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T20:02:03.431Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-86411.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-86411.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3973190"
}
],
"title": "FTP connection reuse inherits client-certificate"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-86411",
"datePublished": "2026-10-20T20:02:03.431Z",
"dateReserved": "2026-09-07T12:11:48.560Z",
"dateUpdated": "2026-10-20T20:02:03.431Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-86410 (GCVE-0-2026-86410)
Vulnerability from cvelistv5
Published
2026-10-20 19:59
Modified
2026-10-20 19:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A flaw in the curl command line tool's logic makes it only set SSH host
verification options when interacting directly using SFTP or SCP, and not as a
result of following a redirect.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.22.0",
"status": "affected",
"version": "8.22.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.21.0",
"status": "affected",
"version": "8.21.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.20.0",
"status": "affected",
"version": "8.20.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.19.0",
"status": "affected",
"version": "8.19.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.18.0",
"status": "affected",
"version": "8.18.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.17.0",
"status": "affected",
"version": "8.17.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.16.0",
"status": "affected",
"version": "8.16.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.15.0",
"status": "affected",
"version": "8.15.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.14.1",
"status": "affected",
"version": "8.14.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.14.0",
"status": "affected",
"version": "8.14.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.13.0",
"status": "affected",
"version": "8.13.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.12.1",
"status": "affected",
"version": "8.12.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.12.0",
"status": "affected",
"version": "8.12.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.11.1",
"status": "affected",
"version": "8.11.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.11.0",
"status": "affected",
"version": "8.11.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.1",
"status": "affected",
"version": "8.10.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.0",
"status": "affected",
"version": "8.10.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.1",
"status": "affected",
"version": "8.9.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.0",
"status": "affected",
"version": "8.9.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.8.0",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.1",
"status": "affected",
"version": "8.7.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.0",
"status": "affected",
"version": "8.7.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.6.0",
"status": "affected",
"version": "8.6.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.5.0",
"status": "affected",
"version": "8.5.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.4.0",
"status": "affected",
"version": "8.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.3.0",
"status": "affected",
"version": "8.3.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.2.1",
"status": "affected",
"version": "8.2.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.2.0",
"status": "affected",
"version": "8.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.2",
"status": "affected",
"version": "8.1.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.1",
"status": "affected",
"version": "8.1.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.0",
"status": "affected",
"version": "8.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.0.1",
"status": "affected",
"version": "8.0.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.0.0",
"status": "affected",
"version": "8.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.1",
"status": "affected",
"version": "7.88.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.0",
"status": "affected",
"version": "7.88.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.87.0",
"status": "affected",
"version": "7.87.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.86.0",
"status": "affected",
"version": "7.86.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.85.0",
"status": "affected",
"version": "7.85.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.84.0",
"status": "affected",
"version": "7.84.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.83.1",
"status": "affected",
"version": "7.83.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.83.0",
"status": "affected",
"version": "7.83.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.82.0",
"status": "affected",
"version": "7.82.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.81.0",
"status": "affected",
"version": "7.81.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw in the curl command line tool\u0027s logic makes it only set SSH host\nverification options when interacting directly using SFTP or SCP, and not as a\nresult of following a redirect."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-297 Improper Validation of Certificate with Host Mismatch",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-20T19:59:26.502Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2026-86410.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2026-86410.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/3973176"
}
],
"title": "redirect to SFTP or SCP bypasses host verification"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-86410",
"datePublished": "2026-10-20T19:59:26.502Z",
"dateReserved": "2026-09-07T12:11:46.874Z",
"dateUpdated": "2026-10-20T19:59:26.502Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-86409 (GCVE-0-2026-86409)
Vulnerability from cvelistv5
Published
2026-10-20 19:57
Modified
2026-10-20 19:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,
contrary to expectations and documentation. A subsequent transfer on the same
handle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL
isset next, leaking state information.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 |
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"type": "finder",
"value": "Stanislav Fort (Aisle Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Viktor Szakats"
}
],
"descriptions": [
{
"lang": "en",
"value": "Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information."
}
],
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],
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},
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},
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},
{
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"url": "https://hackerone.com/reports/3973135"
}
],
"title": "stale SigV4 headers sent unintended"
}
},
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},
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}
CVE-2026-92392 (GCVE-0-2026-92392)
Vulnerability from cvelistv5
Published
2026-10-14 07:46
Modified
2026-10-20 20:25
Severity ?
VLAI Severity ?
EPSS score ?
Summary
During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server
(with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after
free of a `struct Curl_easy` object.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.22.0 ≤ 8.22.0 Version: 8.21.0 ≤ 8.21.0 Version: 8.20.0 ≤ 8.20.0 Version: 8.19.0 ≤ 8.19.0 Version: 8.18.0 ≤ 8.18.0 Version: 8.17.0 ≤ 8.17.0 Version: 8.16.0 ≤ 8.16.0 Version: 8.15.0 ≤ 8.15.0 Version: 8.14.1 ≤ 8.14.1 Version: 8.14.0 ≤ 8.14.0 Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 |
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"baseScore": 8.1,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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}
},
{
"other": {
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{
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},
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"timestamp": "2026-10-15T03:56:56.051034Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
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]
}
],
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},
"references": [
{
"tags": [
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"url": "https://hackerone.com/reports/4030333"
}
],
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2026-10-18T23:06:21.435Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/10/18/5"
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"url": "http://www.openwall.com/lists/oss-security/2026/10/18/6"
}
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"lang": "en",
"type": "finder",
"value": "Luna with Claude"
},
{
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"type": "finder",
"value": "Anthropic"
},
{
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"type": "remediation developer",
"value": "Stefan Eissing"
}
],
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}
],
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"lang": "en"
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}
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"url": "https://curl.se/docs/CVE-2026-92392.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/4030333"
}
],
"title": "HTTP/2 upload Use-After-Free"
}
},
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"assignerShortName": "curl",
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"datePublished": "2026-10-14T07:46:15.160Z",
"dateReserved": "2026-09-16T08:12:53.407Z",
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},
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"dataVersion": "5.2"
}
CVE-2026-82209 (GCVE-0-2026-82209)
Vulnerability from cvelistv5
Published
2026-09-06 17:49
Modified
2026-09-15 06:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-201 - Information Exposure Through Sent Data
Summary
When libpsl support is enabled, libcurl fails to enforce the Public Suffix
List boundary check when processing a `Set-Cookie` header where the `Domain`
attribute explicitly matches an origin host that is itself a public suffix
(e.g., `Domain=co.uk` set by `co.uk`).
Instead of coercing it into a strict host-only cookie, libcurl saves the
cookie with wildcard domain scope (`.co.uk`). Consequently, the cookie is
inappropriately included in subsequent outbound requests or HTTP redirects to
arbitrary sibling subdomains under the same public suffix (e.g.,
`attacker.co.uk`).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| curl | curl |
Version: 7.46.0 ≤ Version: 8.15.0 ≤ Version: 8.17.0 ≤ Version: 8.21.0 ≤ |
||||||||||||
|
||||||||||||||
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"url": "https://hackerone.com/reports/3972385"
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"versionType": "git"
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]
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},
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CVE-2026-82208 (GCVE-0-2026-82208)
Vulnerability from cvelistv5
Published
2026-09-06 17:49
Modified
2026-09-15 06:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-295 - Improper Certificate Validation
Summary
With the wolfSSL backend, when CA caching is enabled and an
`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can
silently reinstall the cached store after the callback returns. A certificate
trusted by the cached store but rejected by the callback-selected store is
then incorrectly accepted.
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| curl | curl |
Version: 8.9.1 ≤ Version: 8.15.0 ≤ Version: 8.17.0 ≤ Version: 8.21.0 ≤ |
||||||||||||
|
||||||||||||||
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CVE-2026-80255 (GCVE-0-2026-80255)
Vulnerability from cvelistv5
Published
2026-09-06 17:48
Modified
2026-09-15 06:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-201 - Information Exposure Through Sent Data
Summary
A `Set-Cookie:` header using tab (horizontal tab, ASCII code 9) instead of
space (ascii code 32) immediately before the `Secure` attribute causes curl to
store the cookie without its Secure flag. The cookie might then wrongfully be
sent over plaintext HTTP on subsequent requests to the same host.
References
Impacted products
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CVE-2026-80231 (GCVE-0-2026-80231)
Vulnerability from cvelistv5
Published
2026-09-06 17:48
Modified
2026-09-15 06:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-488 - Exposure of Data Element to Wrong Session
Summary
A flaw in libcurl makes it wrongly reuse an existing HTTPS connection setup
for a given hostname even when using a different Native CA Store setting
(`CURLSSLOPT_NATIVE_CA`) than when the connection was created.
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| curl | curl |
Version: 7.71.0 ≤ Version: 8.15.0 ≤ Version: 8.17.0 ≤ Version: 8.21.0 ≤ |
||||||||||||
|
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CVE-2026-80230 (GCVE-0-2026-80230)
Vulnerability from cvelistv5
Published
2026-09-06 17:48
Modified
2026-09-15 06:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-295 - Improper Certificate Validation
Summary
When `CURLOPT_PINNEDPUBLICKEY` is configured alongside options that disable
standard peer verification (`CURLOPT_SSL_VERIFYPEER = 0` and
`CURLOPT_SSL_VERIFYHOST = 0`), libcurl fails to enforce public key pinning on
connections established without a presented server certificate. Bypassing the
pinning check under these disabled-verification conditions allows
unauthenticated connections to succeed when they should be rejected.
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| curl | curl |
Version: 7.45.0 ≤ Version: 8.15.0 ≤ Version: 8.17.0 ≤ Version: 8.21.0 ≤ |
||||||||||||
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CVE-2026-80229 (GCVE-0-2026-80229)
Vulnerability from cvelistv5
Published
2026-09-06 17:47
Modified
2026-09-15 06:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
When performing transfers via libcurl’s multi interface, pooled TLS
connections can outlive their originating easy handles. In OpenSSL 3 provider
configurations, libcurl attaches an allocated library context to the easy
handle's state and passes it to OpenSSL without acquiring an ownership
reference; destroying the easy handle prematurely frees this context while the
active connection retains a dangling pointer, leading to a heap-use-after-free
upon subsequent I/O or post-handshake operations.
References
Impacted products
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"dateUpdated": "2026-09-15T06:03:08.881Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}