GHSA-3JP4-MHH4-GCGR Kimai has an Open Redirect via Unvalidated RelayState in SAML ACS Handler

Summary The SAML authentication success handler in Kimai returns the RelayState POST parameter as a redirect destination without validating the host or scheme. After a user successfully authenticates via SAML, they are redirected to an attacker-controlled URL if the IdP includes a malicious...