golang-github-getkin-kin-openapi — security advisory
kin-openapi is a Go project for handling OpenAPI files. Prior to 0.146.0, openapi3filter.ValidateResponse passes a nil response header schema to decodeValue when an OpenAPI document declares the header with content instead of schema. The document passes validation, but every response validation for the affected operation dereferences the nil schema and panics even when the response does not contain the declared header. Applications that ingest an untrusted specification can expose this as remote availability impact, while applications using only trusted local specifications still crash when the affected operation is exercised. This issue is fixed in version 0.146.0.
- Products
- golang-github-getkin-kin-openapi
- Affected versions
- 0.110.0-1, 0.117.0-1, 0.118.0-1, 0.120.0-1, 0.122.0-1, 0.122.0-2, 0.122.0-3, 0.123.0-1, 0.124.0-1, 0.135.0-1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-100349
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:33 UTC · Revision 1
Source evidence
kin-openapi is a Go project for handling OpenAPI files. Prior to 0.146.0, openapi3filter.ValidateResponse passes a nil response header schema to decodeValue when an OpenAPI document declares the header with content instead of schema. The document passes validation, but every response validation for the affected operation dereferences the nil schema and panics even when the response does not contain the declared header. Applications that ingest an untrusted specification can expose this as remote availability impact, while applications using only trusted local specifications still crash when the affected operation is exercised. This issue is fixed in version 0.146.0.
osv:DEBIAN-CVE-2026-100349
golang-github-getkin-kin-openapi
Fixed versions: Not specified
golang-github-getkin-kin-openapi
Fixed versions: Not specified
golang-github-getkin-kin-openapi
Fixed versions: Not specified
Complete source record
{
"id": "a5ab7a72275502cd0308be97c3a5dd48e925c681cdc631b9e6d541c1bea0e0f3",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-100349",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-100349",
"summary": "kin-openapi is a Go project for handling OpenAPI files. Prior to 0.146.0, openapi3filter.ValidateResponse passes a nil response header schema to decodeValue when an OpenAPI document declares the header with content instead of schema. The document passes validation, but every response validation for the affected operation dereferences the nil schema and panics even when the response does not contain the declared header. Applications that ingest an untrusted specification can expose this as remote availability impact, while applications using only trusted local specifications still crash when the affected operation is exercised. This issue is fixed in version 0.146.0.",
"evidence": "osv:DEBIAN-CVE-2026-100349",
"products": [
{
"name": {
"value": "golang-github-getkin-kin-openapi",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.110.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.117.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.118.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.120.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.122.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.122.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.122.0-3",
"evidence": "/affected/0/versions"
},
{
"value": "0.123.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.124.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.135.0-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "golang-github-getkin-kin-openapi",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.124.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "0.135.0-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "golang-github-getkin-kin-openapi",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.124.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "0.135.0-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2026-100349",
"aliases": [
"DEBIAN-CVE-2026-100349"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "golang-github-getkin-kin-openapi",
"purl": "pkg:deb/debian/golang-github-getkin-kin-openapi?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"0.110.0-1",
"0.117.0-1",
"0.118.0-1",
"0.120.0-1",
"0.122.0-1",
"0.122.0-2",
"0.122.0-3",
"0.123.0-1",
"0.124.0-1",
"0.135.0-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-100349.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "golang-github-getkin-kin-openapi",
"purl": "pkg:deb/debian/golang-github-getkin-kin-openapi?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.124.0-1",
"0.135.0-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-100349.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "golang-github-getkin-kin-openapi",
"purl": "pkg:deb/debian/golang-github-getkin-kin-openapi?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.124.0-1",
"0.135.0-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-100349.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:23.800532164Z",
"provider": "osv",
"upstream": [
"CVE-2026-100349"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-100349"
]
},
"related_cves": [
{
"value": "CVE-2026-100349",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 416694,
"published_at": "2026-10-15T16:17:30.64+00:00"
}