Casdoor versions 2.362.0 and earlier map SAML assertions to user sessions without replay protection. The ParseSamlResponse() function in object/saml_sp.go calls sp.RetrieveAssertionInfo() and immediately maps the result to a user session. There is no assertion ID cache, OneTimeUse condition enforcement, or replay detection anywhere in the SAML SP code path. As a result, an attacker can replay a previously captured SAML assertion to obtain an authenticated session for the assertion’s subject, including administrator accounts, without needing the user’s password or MFA credentials.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://kb.cert.org/vuls/id/780781 |
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History
Thu, 28 May 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-294 | |
| Metrics |
cvssV3_1
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Thu, 28 May 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Casdoor versions 2.362.0 and earlier map SAML assertions to user sessions without replay protection. The ParseSamlResponse() function in object/saml_sp.go calls sp.RetrieveAssertionInfo() and immediately maps the result to a user session. There is no assertion ID cache, OneTimeUse condition enforcement, or replay detection anywhere in the SAML SP code path. As a result, an attacker can replay a previously captured SAML assertion to obtain an authenticated session for the assertion’s subject, including administrator accounts, without needing the user’s password or MFA credentials. | |
| Title | CVE-2026-9095 | |
| References |
|
Status: PUBLISHED
Assigner: certcc
Published:
Updated: 2026-05-28T17:07:58.870Z
Reserved: 2026-05-20T15:04:41.651Z
Link: CVE-2026-9095
Updated: 2026-05-28T17:07:29.920Z
Status : Deferred
Published: 2026-05-28T17:16:34.460
Modified: 2026-05-28T18:16:36.320
Link: CVE-2026-9095
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OpenCVE Enrichment
No data.