Incorrect authorization in kimai2 - #VU144257
Published: August 19, 2026
Vulnerability identifier: #VU144257
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the GET /api/timesheets endpoint when listing timesheet records via the REST API. A remote user can send a request to list timesheets belonging to other users to disclose sensitive information.
Exploitation requires the view_other_timesheet permission and installations that use team-restricted activities.
Affected software
kimai2
Remediation
Install security update from vendor's website.
kimai2 - update to 2.65.0