VULNERABILITY INTELLIGENCE
CVE-2025-9079
CVSS score8 HIGH
EPSS probability0.64%
CISA KEVNot currently listed
Published2025-09-19
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Description
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to validate import directory path configuration which allows admin users to execute arbitrary code via malicious plugin upload to prepackaged plugins directory
Weakness classification
- CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory