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 0.0019

EPSS Percentile 40.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-303

Status published

Products (2)

mattermost/mattermost 10.7.0-rc1 - 10.7.1Go

mattermost/mattermost_server 9.11.0 - 9.11.13

Published May 30, 2025

Tracked Since Feb 18, 2026