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Vulnerabilities CVE-2026-9090

CVE-2026-9090

None
Open
TLP:CLEAR

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Description

Casdoor versions 2.362.0 and earlier contain a vulnerability that allows an attacker to bypass authentication by supplying an arbitrary signing certificate. The buildSpCertificateStore function extracts the X.509 certificate directly from the incoming SAMLResponse instead of using the trusted pre-configured Identity Provider certificate, allowing an attacker to forge assertions signed with an attacker-controlled key.

Details

EPSS Score
0.20%

10.3th percentile

Confidence
90%
Published
May 28, 2026
Last Modified
May 28, 2026
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