VULNERABILITY INTELLIGENCE

CVE-2025-3446

CVSS score4.3 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2025-05-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-863

Primary references