id: GO-2025-3977
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
        - introduced: 10.8.0+incompatible
        - fixed: 10.8.4+incompatible
        - introduced: 10.9.0+incompatible
        - fixed: 10.9.4+incompatible
        - introduced: 10.10.0+incompatible
        - fixed: 10.10.2+incompatible
      vulnerable_at: 10.10.2-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: 8.0.0-20250707221302-a8fa77f107ef
summary: Mattermost Path Traversal vulnerability in github.com/mattermost/mattermost-server
cves:
    - CVE-2025-9079
ghsas:
    - GHSA-qx3f-6vq3-8j8m
references:
    - advisory: https://github.com/advisories/GHSA-qx3f-6vq3-8j8m
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-9079
    - web: https://github.com/mattermost/mattermost/commit/047a2c64071749367fe02d2162f6103a3d31a883
    - web: https://github.com/mattermost/mattermost/commit/439464883aa16a329c23cd6274c4cca7e88e238f
    - web: https://github.com/mattermost/mattermost/commit/4ff68eea0a3f3777032d31a1a82f4b1fb492a1ac
    - web: https://github.com/mattermost/mattermost/commit/96665b9b98a17534fcd515982a2eb26950581e41
    - web: https://github.com/mattermost/mattermost/commit/a8fa77f107efe83f09a779f8e67cbecf236b0032
    - web: https://github.com/mattermost/mattermost/commit/b38e2eccda182212a8032539658723c7d87e0b7e
    - 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-qx3f-6vq3-8j8m
    created: 2025-09-22T17:56:58.664523111Z
review_status: UNREVIEWED