CVE-2023-5195: Mattermost

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Mattermost fails to properly validate the permissions when soft deleting a team allowing a team member to soft delete other teams that they are not part of

Affected products

• Mattermost Mattermost: from 7.0.0, before 7.8.10 (fixed in 7.8.10); from 8.0.0, before 8.0.2 (fixed in 8.0.2); from 8.1.0, before 8.1.1 (fixed in 8.1.1)

Published 2023-09-29. Last modified 2026-06-17.