CVE-2025-2527 MEDIUM

CVE-2025-2527: Improper access control to group information

Vendor Mattermost
Product Mattermost
Weakness CWE-863 · Incorrect authorization
Published May 15, 2025
Last update May 15, 2025

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.

Key dates

02Disclosure timeline

May 15, 2025 CVE published
May 15, 2025 Record updated