Missing Authorization in kimai2 - CVE-2026-52828
Published: June 29, 2026
Vulnerability identifier: #VU135846
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-52828
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Kevin Papst
Affected software:
kimai2
kimai2
Detailed vulnerability description
The vulnerability allows a remote user to modify global export templates.
The vulnerability exists due to improper access control in ExportController when handling web requests to create or edit export templates. A remote user can directly access the affected routes to modify global export templates.
The issue affects only the web controller routes; the API routes and UI button visibility enforce the stricter permission requirement.
How to mitigate CVE-2026-52828
Install security update from vendor's website.