id: GO-2025-3771
modules:
    - module: github.com/mattermost/mattermost-server
      versions:
        - fixed: 0.0.0-20250520060012-d0380305ef7a
        - introduced: 9.11.0+incompatible
        - fixed: 9.11.16+incompatible
        - introduced: 10.5.0+incompatible
        - fixed: 10.5.6+incompatible
        - introduced: 10.6.0+incompatible
        - fixed: 10.6.6+incompatible
        - introduced: 10.7.0+incompatible
        - fixed: 10.7.3+incompatible
        - introduced: 10.8.0+incompatible
        - fixed: 10.8.1+incompatible
      vulnerable_at: 10.8.0+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: 8.0.0-20250520060012-d0380305ef7a
summary: Mattermost allows an unauthorized Guest user access to Playbook in github.com/mattermost/mattermost-server
cves:
    - CVE-2025-3228
ghsas:
    - GHSA-4578-6gjh-f2jm
references:
    - advisory: https://github.com/advisories/GHSA-4578-6gjh-f2jm
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-3228
    - 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-4578-6gjh-f2jm
    created: 2025-07-21T17:03:33.350636762Z
review_status: UNREVIEWED