VULNERABILITY INTELLIGENCE

CVE-2025-36530

CVSS score6.8 MEDIUM
EPSS probability0.49%
CISA KEVNot currently listed
Published2025-08-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Description

Mattermost versions 10.9.x <= 10.9.1, 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-22

Primary references