Incorrect authorization in kimai2 - #VU128254
Published: April 28, 2026
Vulnerability identifier: #VU128254
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to missing voter check. A remote user can enumerate, read, modify and permanently delete timesheets belonging to any other user in the target system.
Affected software
kimai2
Remediation
Install updates from vendor's website.
kimai2 - update to 2.56.0