id: GO-2025-3618
modules:
    - module: github.com/mattermost/mattermost-plugin-msteams
      non_go_versions:
        - fixed: 2.1.0
      vulnerable_at: 1.15.0
    - module: github.com/mattermost/mattermost-server
      versions:
        - introduced: 10.5.0+incompatible
        - fixed: 10.5.2+incompatible
      vulnerable_at: 10.5.1+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: 8.0.0-20250218121836-2b5275d87136
summary: Mattermost vulnerable to Observable Timing Discrepancy in github.com/mattermost/mattermost-plugin-msteams
cves:
    - CVE-2025-27936
ghsas:
    - GHSA-2j87-p623-8cc2
references:
    - advisory: https://github.com/advisories/GHSA-2j87-p623-8cc2
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-27936
    - 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-2j87-p623-8cc2
    created: 2025-04-16T11:09:33.515711-04:00
review_status: UNREVIEWED