Vulnerability Database

319,561

Total vulnerabilities in the database

CVE-2025-14822

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

  • Published: Jan 16, 2026
  • Updated: Jan 17, 2026
  • CVE: CVE-2025-14822
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 3.1
  • AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

CWEs:

Software From Fixed in
mattermost / mattermost_server 10.11.0 10.11.9