CVE-2026-80200

Description

Kimai before 2.53.0 contains an open redirect vulnerability in the SAML authentication success handler that accepts unvalidated RelayState POST parameters as redirect destinations. Attackers with IdP access can supply malicious RelayState values to redirect authenticated users to attacker-controlled URLs for credential theft or phishing attacks.

References

https://www.vulncheck.com/advisories/kimai-before-2.53.0-open-redirect-via-relaystate

https://github.com/kimai/kimai/security/advisories/GHSA-3jp4-mhh4-gcgr

Details

Source: Mitre, NVD