CVE-2026-84804

MEDIUM CVSS 4.0: 5.3 EPSS 0.19%
Updated Sep 04, 2026
Kimai
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 2.65.0
Fixed In 2.65.0
Type CWE-284 (Improper Access Control)
Vendor Kimai
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Kimai Kimai
cpe:2.3:a:kimai:kimai:*:*:*:*:*:*:*:*
2.65.0