CVE-2025-3230

MEDIUM

Mattermost <10.7.0-10.6.2-10.5.3-9.11.12 - Info Disclosure

Title source: llm

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.

References (1)

[Vendor Advisory] https://mattermost.com/security-updates

Scores

CVSS v3 5.4

EPSS 0.0006

EPSS Percentile 19.3%

Attack Vector NETWORK

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

Classification

CWE

CWE-303

Status published

Affected Products (2)

mattermost/mattermost_server < 9.11.13

mattermost/mattermost < 10.7.1Go

Timeline

Published May 30, 2025

Tracked Since Feb 18, 2026