CVE-2025-36530

MEDIUM EPSS 36.6%
Published Aug 21, 202510mo ago · Modified Jun 17, 20261w ago
4.9 CVSS 3.1
Medium
Find Similar
Published Aug 21, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
4.9
Exploitability
1.2
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
36.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

Affected Products 4

VendorProductVersionRange
mattermostmattermost_server*≥9.11.0  –  <9.11.18
mattermostmattermost_server*≥10.5.0  –  <10.5.9
mattermostmattermost_server*≥10.8.0  –  <10.8.4
mattermostmattermost_server*≥10.9.0  –  <10.9.2

References 1

  • mattermost.com https://mattermost.com/security-updates
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.