CVE-2025-3913 MEDIUM

CVE-2025-3913: Team Privacy Settings Authorization Bypass in Mattermost Server

Vendor Mattermost
Product Mattermost
Weakness CWE-863 · Incorrect authorization
Published May 29, 2025
Last update May 29, 2025

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the /api/v4/teams/:teamId/privacy endpoint.

Key dates

02Disclosure timeline

May 29, 2025 CVE published
May 29, 2025 Record updated