Vulnerability Database

315,294

Total vulnerabilities in the database

CVE-2023-3581

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.

  • Published: Jul 17, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-3581
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.2
  • AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWEs: