CVE-2025-14435 MEDIUM

CVE-2025-14435: Application-Level DoS via infinite re-render loop in user profile handling

Vendor Mattermost
Product Mattermost
Weakness CWE-770 · Uncontrolled resource consumption
Published January 16, 2026
Last update January 16, 2026

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Mattermost versions 10.11.x <= 10.11.8, 11.1.x <= 11.1.1, 11.0.x <= 11.0.6 fail to prevent infinite re-renders on API errors which allows authenticated users to cause application-level DoS via triggering unbounded component re-render loops.

Key dates

02Disclosure timeline

January 16, 2026 CVE published
January 16, 2026 Record updated