VULNERABILITY INTELLIGENCE

CVE-2025-4128

CVSS score3.1 LOW
EPSS probability0.22%
CISA KEVNot currently listed
Published2025-06-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Description

Mattermost versions 10.5.x <= 10.5.4, 9.11.x <= 9.11.13 fail to properly restrict API access to team information, allowing guest users to bypass permissions and view information about public teams they are not members of via a direct API call to /api/v4/teams/{team_id}.

Weakness classification

  • CWE-863: Incorrect Authorization

Primary references