CVEvulnerability

CVE-2026-16045

4.3 MEDIUM Published 2026-08-17 Modified 2026-08-18 Official page ↗
Status
Analyzed
Published
2026-08-17
Last modified
2026-08-18
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weaknesses
CWE-863

Description

Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other integrations via account-management endpoints.. Mattermost Advisory ID: MMSA-2026-00704

Affected configurations

• mattermost mattermost server (>= 10.11.0 < 10.11.22) • mattermost mattermost server (>= 11.7.0 < 11.7.7)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References