VULNERABILITY INTELLIGENCE

CVE-2025-41443

CVSS score4.3 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2025-10-16
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Description

Mattermost versions 10.5.x <= 10.5.12, 10.11.x <= 10.11.2 fail to properly validate guest user permissions when accessing channel information which allows guest users to discover active public channels and their metadata via the `/api/v4/teams/{team_id}/channels/ids` endpoint

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-862

Primary references