Vulnerability in Casdoor

CVE-2026-9093

In Casdoor versions 2.362.0 and earlier, the SAML service provider implementation does not validate the AudienceRestriction element in SAML assertions. The buildSp function in object/saml_sp.go never sets AudienceURI on the gosaml2 SAMLSer…

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2026-9093?
CVE-2026-9093 is a critical-severity vulnerability in Casdoor, classified under CWE-863 INCORRECT AUTHORIZATION. CVSS score: 9.8/10. Published 2026-05-28.
How severe is CVE-2026-9093?
Critical severity. CVSS v3 base score is 9.8 out of 10.