CVE-2026-52827 | Kimai up to 2.58.x Api Authentication security.yaml KIMAI_SESSION improper authentication

September 15, 2026 Yanac

A vulnerability was found in Kimai up to 2.58.x. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the file config/packages/security.yaml of the component Api Authentication. The manipulation of the argument KIMAI_SESSION leads to improper authentication.

This vulnerability is traded as CVE-2026-52827. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More