CVE-2025-36530CWE-22

Import Path Traversal Enables Unauthorized Unsigned Plugin Installation

Medium · published August 21, 2025

CVSS v3.1
6.8
EPSS
0%
Percentile
41.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00494 · 41.5th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2025-08-21T07:11Z
EPSS history
Timeline
  • 21 AUG 07:11Z
    Import Path Traversal Enables Unauthorized Unsigned Plugin Installation
    cvelistv5