Refine your search
1 vulnerability found for by go-openapi
CVE-2026-93450 (GCVE-0-2026-93450)
Vulnerability from cvelistv5
Published
2026-09-17 23:25
Modified
2026-09-18 12:58
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
VLAI Severity ?
EPSS score ?
CWE
- CWE-674 - Uncontrolled Recursion
Summary
go-openapi/swag jsonutils before 0.27.1 contains a stack overflow vulnerability in ordered JSON parsing and serialization due to unbounded recursion with no depth limit. Remote unauthenticated attackers can submit deeply nested JSON documents to services accepting OpenAPI specifications, causing fatal stack overflow that terminates the process and all in-flight requests.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| go-openapi | swag |
Version: 0 ≤ |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-93450",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-18T12:58:19.479020Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-18T12:58:44.088Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/go-openapi/swag/security/advisories/GHSA-xh24-9qpg-8w28"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://proxy.golang.org",
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/go-openapi/swag/jsonutils",
"product": "swag",
"repo": "https://github.com/go-openapi/swag",
"vendor": "go-openapi",
"versions": [
{
"lessThan": "0.27.1",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Wei Zhang, PayPal Cyber Security Team"
}
],
"datePublic": "2026-07-19T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "go-openapi/swag jsonutils before 0.27.1 contains a stack overflow vulnerability in ordered JSON parsing and serialization due to unbounded recursion with no depth limit. Remote unauthenticated attackers can submit deeply nested JSON documents to services accepting OpenAPI specifications, causing fatal stack overflow that terminates the process and all in-flight requests."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-674",
"description": "Uncontrolled Recursion",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T23:25:10.883Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-xh24-9qpg-8w28)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/go-openapi/swag/security/advisories/GHSA-xh24-9qpg-8w28"
},
{
"tags": [
"patch"
],
"url": "https://github.com/go-openapi/swag/commit/0c24346ced59a25811e8694a915e7131d25ccb0e"
},
{
"tags": [
"technical-description"
],
"url": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/adapter.go#L68"
},
{
"tags": [
"technical-description"
],
"url": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/ordered_map.go#L214"
},
{
"tags": [
"product"
],
"url": "https://github.com/go-openapi/swag"
},
{
"name": "VulnCheck Advisory: go-openapi/swag jsonutils before 0.27.1 Uncontrolled Recursion in Ordered JSON Marshal and Unmarshal",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/go-openapi-swag-jsonutils-before-0.27.1-uncontrolled-recursion-in-ordered-json-marshal-and-unmarshal"
}
],
"title": "go-openapi/swag jsonutils before 0.27.1 Uncontrolled Recursion in Ordered JSON Marshal and Unmarshal",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-93450",
"datePublished": "2026-09-17T23:25:10.883Z",
"dateReserved": "2026-09-17T22:45:30.211Z",
"dateUpdated": "2026-09-18T12:58:44.088Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}