VULNERABILITY INTELLIGENCE

CVE-2025-14822

CVSS score3.1 LOW
EPSS probability0.35%
CISA KEVNot currently listed
Published2026-01-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

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

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-407
  • nvd@nist.gov: CWE-770

Primary references