CVE-2025-14435

MEDIUM

Mattermost <10.11.8-11.1.1-11.0.6 - Authenticated DoS

Title source: llm

Description

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.

References (1)

[Vendor Advisory] https://mattermost.com/security-updates

Scores

CVSS v3 6.8

EPSS 0.0001

EPSS Percentile 2.4%

Attack Vector NETWORK

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

Classification

CWE

CWE-770

Status published

Affected Products (2)

mattermost/mattermost_server < 10.11.9

mattermost/mattermost-server < 10.11.9Go

Timeline

Published Jan 16, 2026

Tracked Since Feb 18, 2026