CVE-2025-3230 - CVE House
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Status published Medium CVE-2025-3230

Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • eAhmed

References

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Affected Vendor

Affected Software

Mattermost
Vulnerable Versions:
10.7.0, 10.6.0, 10.5.0, 9.11.0, 10.8.0, 10.7.1, 10.6.3, 10.5.4, 9.11.13

Timeline

Official Publish: May 30th, 2025
Last Modified: May 30th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weaknesses (CWE)

CWE-303

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.