Vulnerability Database

323,358

Total vulnerabilities in the database

CVE-2026-1046

Mattermost Desktop App versions <=6.0 6.2.0 5.2.13.0 fail to validate help links which allows a malicious Mattermost server to execute arbitrary executables on a user’s system via the user clicking on certain items in the Help menu Mattermost Advisory ID: MMSA-2026-00577

  • Published: Feb 16, 2026
  • Updated: Feb 17, 2026
  • CVE: CVE-2026-1046
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.6
  • AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:L

CWEs: