cve.bz

CVE-2025-3230

5.4 mediumEPSS 0.2%

Medium (5.4) in mattermost mattermost server. EPSS 0.2% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 10.5.4, 10.6.3, 10.7.1.

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

CVSS 3.1

5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE
CWE-303
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-mc2f-jgj6-6cp3Gogithub.com/mattermost/mattermost/server/v8>=10.7.0-rc1 <10.7.110.7.1
GHSA-mc2f-jgj6-6cp3Gogithub.com/mattermost/mattermost/server/v8>=10.6.0-rc1 <10.6.310.6.3
GHSA-mc2f-jgj6-6cp3Gogithub.com/mattermost/mattermost/server/v8>=10.0.0-rc1 <10.5.410.5.4
GHSA-mc2f-jgj6-6cp3Gogithub.com/mattermost/mattermost/server/v8>=9.0.0-rc1 <9.11.139.11.13
GHSA-mc2f-jgj6-6cp3Gogithub.com/mattermost/mattermost/server/v8<8.0.0-20250402193107-65343f84a7838.0.0-20250402193107-65343f84a783
GO-2025-3731Gogithub.com/mattermost/mattermost-server>=9.0.0-rc1+incompatible <9.11.13+incompatible
>=10.0.0-rc1+incompatible <10.5.4+incompatible
>=10.6.0-rc1+incompatible <10.6.3+incompatible
>=10.7.0-rc1+incompatible <10.7.1+incompatible		9.11.13+incompatible, 10.5.4+incompatible, 10.6.3+incompatible, 10.7.1+incompatible
GO-2025-3731Gogithub.com/mattermost/mattermost-server/v5all versionsno fix published
GO-2025-3731Gogithub.com/mattermost/mattermost-server/v6all versionsno fix published
GO-2025-3731Gogithub.com/mattermost/mattermost/server/v8<8.0.0-20250402193107-65343f84a7838.0.0-20250402193107-65343f84a783

References

Check your stackJSON