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CVE-2025-36530

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CVE-2025-36530

Published: Aug 21, 2025

Modified: Aug 21, 2025

PUBLISHED

CVSS v3.1

6.8

MEDIUM

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.

VendorProductVersions

Mattermost

Mattermost

affected
10.9.0 - <= 10.9.1
affected
10.8.0 - <= 10.8.3
affected
10.5.0 - <= 10.5.8
affected
9.11.0 - <= 9.11.17
unaffected
10.10.0

+4 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

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