CVE catalog
CVE-2026-100351
kin-openapi is a Go project for handling OpenAPI files. From 0.144.0 until 0.147.0, openapi3filter.ValidationHandler validates an operation selected from decoded URL.Path while a downstream gorilla/mu
- Severity
- High · CVSS 7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.49% · Oct 25, 2026
kin-openapi is a Go project for handling OpenAPI files. From 0.144.0 until 0.147.0, openapi3filter.ValidationHandler validates an operation selected from decoded URL.Path while a downstream gorilla/mux router configured with UseEncodedPath can dispatch a different operation selected from URL.RawPath. When a public exact route and a protected parameterized route use the same method and overlap after decoding, an unauthenticated remote request containing an encoded path separator can be validated as public and then dispatched to the protected handler without invoking the configured AuthenticationFunc. The reachable path parameter is constrained to an encoded representation that decodes to the public literal route, and proxies that canonicalize the URI before forwarding prevent this specific mismatch. This issue is fixed in version 0.147.0.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-github-getkin-kin-openapi | sid | 0.135.0-1 | not affected |
| Debian | golang-github-getkin-kin-openapi | forky | 0.135.0-1 | not affected |
| Debian | golang-github-getkin-kin-openapi | trixie | 0.124.0-1 | not affected |
| Debian | golang-github-getkin-kin-openapi | bookworm | 0.110.0-1 | not affected |
| Go | github.com/getkin/kin-openapi | Not reported | 0.147.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-github-getkin-kin-openapi | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-github-getkin-kin-openapi | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-github-getkin-kin-openapi | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-github-getkin-kin-openapi | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Go | github.com/getkin/kin-openapi | Go | Not reported | 0.147.0 | Not reported | GHSA-23VG-4CJM-66Q5 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [golang-github-getkin-kin-openapi-dev]Not affected
Source package: [golang-github-getkin-kin-openapi]
Details (2)
0.110.0-1· all · bookwormNot affected
nvd · golang-github-getkin-kin-openapi · debian · bookworm
0.110.0-1· all · bookwormNot affected
nvd · golang-github-getkin-kin-openapi · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_12164-1.json]
- [https://github.com/advisories/GHSA-23vg-4cjm-66q5]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-100351]
- [https://osv.dev/vulnerability/GHSA-23vg-4cjm-66q5]
- [https://security-tracker.debian.org/tracker/CVE-2026-100351]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-100351.json]
[Debian Security Tracker] · [FIRST EPSS] · [GitHub Advisory Database] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]