CVE-2025-25279 CRITICAL

CVE-2025-25279: Arbitrary file read in Mattermost Boards via import & export board archive

Vendor Mattermost
Product Mattermost
Weakness CWE-22 · Path traversal
Published February 24, 2025
Last update February 24, 2025

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate board blocks when importing boards which allows an attacker could read any arbitrary file on the system via importing and exporting a specially crafted import archive in Boards.

Key dates

02Disclosure timeline

February 24, 2025 CVE published
February 24, 2025 Record updated