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Casdoor SAML callback handler accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest

🗓️ 28 May 2026 18:30:32Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

Casdoor before 2.362.0 accepts any SAMLResponse at /api/acs without a corresponding AuthnRequest.

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02 Jul 2026 18:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.1
EPSS0.0023
SSVC
5