CVE-2024-50052: Mattermost Server

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 fail to check that the origin of the message in an integration action matches with the original post metadata which allows an authenticated user to delete an arbitrary post.

Affected products

• Mattermost Mattermost Server: from 9.5.0, before 9.5.10 (fixed in 9.5.10); from 9.10.0, before 9.10.3 (fixed in 9.10.3); from 9.11.0, before 9.11.2 (fixed in 9.11.2)

Published 2024-10-29. Last modified 2026-06-17.