UpHeron
All vulnerabilities

Servers and applications

CVE-2025-3230

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.

Severity
Medium 5.4
Published
30 May 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.11.13, 10.5.4, 10.6.3, 10.7.1
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 9.11.0 before 9.11.13
  • From 10.5.0 before 10.5.4
  • From 10.6.0 before 10.6.3
  • From 10.7.0 before 10.7.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-3230
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-3230