Description

Mattermost versions 10.11.x <= 10.11.8 fail to validate input size before processing hashtags which allows an authenticated attacker to exhaust CPU resources via a single HTTP request containing a post with thousands space-separated tokens

INFO

Published Date :

2026-01-16T08:52:43.848Z

Last Modified :

2026-01-16T13:00:45.911Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2025-14822 vulnerability.

Vendors Products
Mattermost
  • Mattermost
  • Mattermost Server
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-14822.

URL Resource
https://mattermost.com/security-updates cve-icon cve-icon
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CVSS Vulnerability Scoring System

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