id: GO-2025-3691
modules:
    - module: github.com/mattermost/mattermost-server
      versions:
        - introduced: 9.11.0+incompatible
        - fixed: 9.11.12+incompatible
        - introduced: 10.5.0+incompatible
        - fixed: 10.5.3+incompatible
      vulnerable_at: 10.5.3-rc1+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: 8.0.0-20250411064244-844447fbd57c
summary: Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server
cves:
    - CVE-2025-2527
ghsas:
    - GHSA-h356-3mfw-x368
references:
    - advisory: https://github.com/advisories/GHSA-h356-3mfw-x368
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-2527
    - 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-h356-3mfw-x368
    created: 2025-05-20T13:00:43.443527-04:00
review_status: UNREVIEWED