GHSA-mc2f-jgj6-6cp3MediumCVSS 5.4

Mattermost fails to properly invalidate personal access tokens upon user deactivation

Published
May 30, 2025
Last Modified
May 30, 2025

🔗 CVE IDs covered (1)

CVE-2025-3230 →

📋 Description

Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.

🎯 Affected products5

  • go/github.com/mattermost/mattermost/server/v8:>= 10.7.0-rc1, < 10.7.1
  • go/github.com/mattermost/mattermost/server/v8:>= 10.6.0-rc1, < 10.6.3
  • go/github.com/mattermost/mattermost/server/v8:>= 10.0.0-rc1, < 10.5.4
  • go/github.com/mattermost/mattermost/server/v8:>= 9.0.0-rc1, < 9.11.13
  • go/github.com/mattermost/mattermost/server/v8:< 8.0.0-20250402193107-65343f84a783

🔗 References (4)