CVE-2026-80200

Summary

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.

Affected Software

VendorProductVersion RangeStatus
kimaikimai0 < 2.53.0affected
kimaikimai2.53.0unaffected

Weaknesses

  • CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

References