CVE-2026-9093

CRITICAL

Casdoor < 2.362.0 - SAML Audience Validation Bypass

Title source: llm

Description

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 SAMLServiceProvider struct and never inspects WarningInfo.NotInAudience. This allows assertions issued for other service providers to be accepted by Casdoor.

References (1)

Core 1

Core References

https://kb.cert.org/vuls/id/780781

Scores

CVSS v3 9.8

EPSS 0.0005

EPSS Percentile 17.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

Status published

Products (1)

Casdoor/Casdoor < 2.362.0

Published May 28, 2026

Tracked Since May 28, 2026