CVE-2022-4044: Mattermost

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.

Affected products

• Mattermost Mattermost: before 7.4 (fixed in 7.4)

Published 2022-11-23. Last modified 2026-06-17.