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CVE-2025-36530

nvd nist
Published: Aug 21, 2025Modified: Jun 17, 2026

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4.9
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Exploitability: 1.2 / Impact: 3.6
Source: NVD

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.

Affected (4)

Mattermost
1 product
Mattermost Server
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Mattermost
Mattermost Server
From 10.5.0 to 10.5.9
Mattermost Server
From 10.8.0 to 10.8.4
Mattermost Server
From 10.9.0 to 10.9.2
Mattermost Server
From 9.11.0 to 9.11.18

Related CWEs

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

Source: responsibledisclosure@mattermost.com
Vendor Advisory

Timeline

No history available yet.