| id: GO-2025-3902 |
| modules: |
| - module: github.com/mattermost/mattermost-server |
| versions: |
| - introduced: 9.11.0+incompatible |
| - fixed: 9.11.18+incompatible |
| - introduced: 10.5.0+incompatible |
| - fixed: 10.5.9+incompatible |
| vulnerable_at: 10.5.9-rc4+incompatible |
| - module: github.com/mattermost/mattermost-server/v5 |
| vulnerable_at: 5.39.3 |
| - module: github.com/mattermost/mattermost-server/v6 |
| vulnerable_at: 6.7.2 |
| - module: github.com/mattermost/mattermost/server/v8 |
| versions: |
| - fixed: 8.0.0-20250721095846-c602a4a78e1f |
| summary: Mattermost Fails to Properly Validate Team Role Modification in github.com/mattermost/mattermost-server |
| cves: |
| - CVE-2025-53971 |
| ghsas: |
| - GHSA-4276-cm8c-788h |
| references: |
| - advisory: https://github.com/advisories/GHSA-4276-cm8c-788h |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-53971 |
| - web: https://mattermost.com/security-updates |
| notes: |
| - fix: 'github.com/mattermost/mattermost/server/v8: could not add vulnerable_at: could not find tagged version between introduced and fixed' |
| source: |
| id: GHSA-4276-cm8c-788h |
| created: 2025-08-27T18:27:00.369739616Z |
| review_status: UNREVIEWED |
