CVE-2025-3230

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

State: Published
Severity: 5.4 Medium
Published: May 30, 2025
Updated: May 30, 2025
Reserved: Apr 3, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	Mattermost

Weaknesses

CWE-303 Incorrect Implementation of Authentication Algorithm

Affected Products

Product	Versions
MattermostMattermost	10.7.0Affected 10.6.0 through 10.6.2Affected 10.5.0 through 10.5.3Affected 9.11.0 through 9.11.12Affected 10.8.0Not affected 10.7.1Not affected 10.6.3Not affected 10.5.4Not affected 9.11.13Not affected

References

https://mattermost.com/security-updates

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