CVE-2026-111590 (GCVE-0-2026-111590)
Vulnerability from cvelistv5
Published
2026-10-26 13:39
Modified
2026-10-26 13:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A wide range of Harbor versions allow SSRF via its webhook delivery component which does not properly validate web hook target addresses, allowing usage of private and link-local IP ranges. An authenticated attacker with ProjectAdmin permissions can configure a webhook policy pointing to a private internal address. When a project event fires, Harbor jobservice makes unauthenticated outbound HTTP POST requests to the target. If the target answers with an error status, the response body is written to the webhook execution log, which project members can read, potentially exposing cloud metadata or other network-restricted resources.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "Harbor",
"vendor": "Harbor",
"versions": [
{
"lessThan": "2.15.3",
"status": "affected",
"version": "2.15.0",
"versionType": "custom"
}
]
},
{
"product": "Harbor",
"vendor": "Harbor",
"versions": [
{
"lessThan": "2.14.5",
"status": "affected",
"version": "2.14.0",
"versionType": "custom"
}
]
},
{
"product": "Harbor",
"vendor": "Harbor",
"versions": [
{
"lessThan": "2.13.6",
"status": "affected",
"version": "1.7.0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A wide range of Harbor versions allow SSRF via its webhook delivery component which does not properly validate web hook target addresses, allowing usage of private and link-local IP ranges. An authenticated attacker with ProjectAdmin permissions can configure a webhook policy pointing to a private internal address. When a project event fires, Harbor jobservice makes unauthenticated outbound HTTP POST requests to the target. If the target answers with an error status, the response body is written to the webhook execution log, which project members can read, potentially exposing cloud metadata or other network-restricted resources."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-918 Server-Side Request Forgery (SSRF)",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-26T13:39:48.420Z",
"orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"shortName": "certcc"
},
"references": [
{
"url": "https://github.com/goharbor/harbor/security/advisories/GHSA-2phj-cp9f-qq6w"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "SSRF in Harbor webhook delivery allows ProjectAdmin to reach internal services",
"x_generator": {
"engine": "VINCE 3.0.51",
"env": "prod",
"origin": "https://cveawg.mitre.org/api/cve/CVE-2026-111590"
}
}
},
"cveMetadata": {
"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"assignerShortName": "certcc",
"cveId": "CVE-2026-111590",
"datePublished": "2026-10-26T13:39:48.420Z",
"dateReserved": "2026-10-16T13:26:28.566Z",
"dateUpdated": "2026-10-26T13:39:48.420Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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