PT-2026-45833

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.12.5 authentik versions prior to 2026.2.3 Description The SAML source response processor ResponseProcessor.parse fails to validate the Conditions element on assertions. Specifically, NotBefore, NotOnOrAfter, an...

PT-2026-48797

Уязвимость программного обеспечения Blitz Identity Provider связана с непринятием мер по защите структуры веб-страницы. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, проводить межсайтовые сценарные атаки XSS...

PT-2026-45859

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.12.6 authentik versions prior to 2026.2.4 authentik versions prior to 2026.5.1 Description authentik is an open-source identity provider. The Source stage can be bypassed by sending an empty POST request...

CVE-2026-45156 Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC

Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed a malicious ID4me authority to identify as any user. This issue has been patched in versions...

GHSA-C3M2-JQMQ-PVP3 authentik's XML Signature Wrapping in SAML Source ACS allows authentication as arbitrary federated user

Summary authentik's SAML Source ACS endpoint is vulnerable to XML Signature Wrapping when validating upstream SAML responses. An attacker with any account at the upstream IdP can reuse a valid signed assertion to authenticate as another federated user. Patches authentik 2026.5.1, 2026.2.4 and...

authentik's XML Signature Wrapping in SAML Source ACS allows authentication as arbitrary federated user

Summary authentik's SAML Source ACS endpoint is vulnerable to XML Signature Wrapping when validating upstream SAML responses. An attacker with any account at the upstream IdP can reuse a valid signed assertion to authenticate as another federated user. Patches authentik 2026.5.1, 2026.2.4 and...

BIT-NEO4J-2026-1524 Auth misconfiguration when multiple providers enabled

An edgecase in SSO implementation in Neo4j Enterprise edition versions prior to version 2026.02 can lead to unauthorised access under the following conditions: If a neo4j admin configures two or more OIDC providers AND configures one or more of them to be an authorization provider AND configures...

PT-2026-45029

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.12.5 authentik versions prior to 2026.2.3 authentik versions prior to 2026.5.1 Description The SAML Source ACS endpoint is susceptible to XML Signature Wrapping, a technique where a valid signature is used to...

CVE-2026-45575

epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.2, an attacker who can MITM the TLS connection between the client and the IDP within the TI network can substitute a forged discovery document. The forged document redirects uripukidpenc and...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the buildSpCertificateStore function. An attacker can gain unauthorized access by supplying a malicious signing certificate in the SAMLResponse, which is accepted instead of the trusted pre-configured Identit...

GHSA-MFVP-7P3V-X9MH Casdoor SAML callback handler accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest

In Casdoor versions 2.362.0 and earlier, the SAML callback handler in controllers/auth.go accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest previously issued by Casdoor. Additionally, if an administrator disables or deletes an IdP...

GHSA-FWGQ-J9R9-QJGR Casdoor has an authentication bypass

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...

CVE-2026-9098

In Casdoor versions 2.362.0 and earlier, the SAML callback handler in controllers/auth.go accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest previously issued by Casdoor. Additionally, if an administrator disables or deletes an IdP...

CVE-2026-9098 CVE-2026-9098

In Casdoor versions 2.362.0 and earlier, the SAML callback handler in controllers/auth.go accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest previously issued by Casdoor. Additionally, if an administrator disables or deletes an IdP...

CVE-2026-9098

Casdoor versions up to 2.362.0 expose a SAML flaw: the /api/acs callback accepts any well-formed SAMLResponse without tying it to a prior AuthnRequest. If an administrator disables or deletes an IdP during a flow, the handler still uses the initial provider snapshot, enabling unsolicited SAML res...

CVE-2026-9098

In Casdoor versions 2.362.0 and earlier, the SAML callback handler in controllers/auth.go accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest previously issued by Casdoor. Additionally, if an administrator disables or deletes an IdP...

EUVD-2026-32952

In Casdoor versions 2.362.0 and earlier, the SAML callback handler in controllers/auth.go accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest previously issued by Casdoor. Additionally, if an administrator disables or deletes an IdP...

EUVD-2026-32943

Casdoor versions 2.362.0 and earlier contain a vulnerability involving unverified email binding that may enable account takeover. The getExistUserByBindingRule function matches users by email without checking the emailverified claim from upstream providers; the idp.UserInfo struct does not even...

CVE-2026-9090

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...

EUVD-2026-32941

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...