GO-2026-6910Published
Client4 fails to validate path parameters
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-13426 · Microsoft / collected KEV context
cve-program · CVE-2026-13426
euvd · EUVD-2026-39661
nvd · CVE-2026-13426
osv · GHSA-72v2-v53v-4qmm
- https://nvd.nist.gov/vuln/detail/CVE-2026-13426
- https://github.com/mattermost/mattermost/pull/34499
- https://github.com/mattermost/mattermost/pull/39305
- https://github.com/mattermost/mattermost/commit/2b075c9b74effbb56f3769f1bdec161eef4c6808
- https://github.com/mattermost/mattermost/commit/64c16ff0ea7f455ee648bfe906407def1274fbd3
- https://github.com/mattermost/mattermost
- https://github.com/mattermost/mattermost/releases/tag/server/public/v0.1.22
- https://mattermost.com/security-updates
osv · GO-2026-6910
- https://github.com/advisories/GHSA-72v2-v53v-4qmm
- https://github.com/mattermost/mattermost/commit/2b075c9b74effbb56f3769f1bdec161eef4c6808
- https://github.com/mattermost/mattermost/commit/64c16ff0ea7f455ee648bfe906407def1274fbd3
- https://github.com/mattermost/mattermost/pull/34499
- https://github.com/mattermost/mattermost/pull/39305
- https://github.com/mattermost/mattermost/releases/tag/server/public/v0.1.22
- https://mattermost.com/security-updates
Related operational evidence
Explicit CVE identifiers- Path traversal in API route construction in github.com/mattermost/mattermost/server/public · Newly collected advisory · 6 Nov 2026
- github.com/mattermost/mattermost/server/public vulnerable to path traversal in API route construction · Advisory content revised · 6 Nov 2026
- github.com/mattermost/mattermost/server/public vulnerable to path traversal in API route construction · Newly collected advisory · 3 Nov 2026