id: GO-2025-3392
modules:
    - module: github.com/mattermost/mattermost-server
      versions:
        - introduced: 9.11.0+incompatible
        - fixed: 9.11.6+incompatible
        - introduced: 10.0.0+incompatible
        - fixed: 10.0.4+incompatible
        - introduced: 10.1.0+incompatible
        - fixed: 10.1.4+incompatible
        - introduced: 10.2.0+incompatible
        - fixed: 10.2.1+incompatible
      vulnerable_at: 10.2.1-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: 8.0.0-20241127161322-25ff7a3779a5
summary: Mattermost fails to properly validate post props in github.com/mattermost/mattermost-server
cves:
    - CVE-2025-20086
ghsas:
    - GHSA-5m7j-6gc4-ff5g
references:
    - advisory: https://github.com/advisories/GHSA-5m7j-6gc4-ff5g
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-20086
    - 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-5m7j-6gc4-ff5g
    created: 2025-01-16T21:19:23.769260933Z
review_status: UNREVIEWED