CVE-2025-6233 MEDIUM

CVE-2025-6233: Arbitrary file read by system admin via path traversal

Vendor Mattermost
Product Mattermost
Weakness CWE-22 · Path traversal
Published July 18, 2025
Last update July 18, 2025
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.

Key dates

02Disclosure timeline

July 18, 2025 CVE published
July 18, 2025 Record updated