CVE-2026-84804: Kimai

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Kimai before 2.65.0 fails to properly validate permissions when removing team access to activities, projects, and customers via API endpoints. Authenticated users with edit_team permission can revoke team access without the required permissions_activity check, bypassing authorization controls.

Affected products

• Kimai Kimai: before 2.65.0 (fixed in 2.65.0)

Published 2026-09-02. Last modified 2026-09-04.