EUVD-2026-48303

Logto silently fails to delete IdP-initiated SAML sessions, enabling session replay and reuse within the session’s validity window...

CVE-2026-15615

Technical details about CVE-2026-15615 are not publicly available in the provided connected documents. Monitor for updates.

PT-2026-64019

Name of the Vulnerable Software and Affected Versions Logto affected versions not specified Description Logto fails to validate the SAML element. This allows attackers to remove time and audience restrictions, which enables the indefinite replay of assertions. SAML Security Assertion Markup...

CVE-2026-63094

SigNoz before 0.134.0 contains an open redirect vulnerability in the SSO authentication flow that allows unauthenticated attackers to steal session tokens from any user on instances configured with Google OAuth, SAML, or OIDC. Attackers can call the unauthenticated sessions context endpoint with ...

PT-2026-60776

Name of the Vulnerable Software and Affected Versions SigNoz versions prior to 0.133.1 Description An open redirect flaw exists in the SSO authentication flow for instances configured with Google OAuth, SAML, or OIDC. Unauthenticated attackers can exploit this by calling the sessions context...

EUVD-2026-44866

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass via SAML Signature Algorithm Confusion in all versions up to, and including, 5.4.3. The vulnerability exists because MoSAMLUtilities::mosamlcastkey reads the SignatureMethod Algorithm attribute directl...

CVE-2026-15013

Technical details are not publicly available in the provided documents. Monitor for updates.

CVE-2026-55789 Logto: SAML IdP injects user-controlled profile attributes raw into signed assertions, allowing privilege escalation at relying Service Providers

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's self-hosted SAML application IdP built the signed SAML response and assertion by string-substituting user-controlled profile attributes such as name, email, and custom attribute-mapping values into...

CVE-2026-54781

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF SAML token validation does not enforce SubjectConfirmation method URIs or holder-of-key proof keys in SamlSecurityTokenHandler, allowing holder-of-key downgrade or custom...

CVE-2026-54781

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF SAML token validation does not enforce SubjectConfirmation method URIs or holder-of-key proof keys in SamlSecurityTokenHandler, allowing holder-of-key downgrade or custom...

CVE-2026-54781

CoreWCF (SAML token validation) does not enforce SubjectConfirmation method URIs or holder-of-key proof keys in SamlSecurityTokenHandler, allowing holder-of-key downgrade or custom confirmation method assertions to authenticate subjects without proper authority. Affects CoreWCF.Primitives and rel...

GO-2026-5894 Casdoor does not validate the AudienceRestriction element in SAML assertions in github.com/casdoor/casdoor

Casdoor does not validate the AudienceRestriction element in SAML assertions in github.com/casdoor/casdoor...

EUVD-2026-12688

Keycloak: Unauthorized access via improper validation of encrypted SAML assertions...

CVE-2026-44946

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

CVE-2026-44946

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

EUVD-2026-40304

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

EUVD-2026-37950

Relyra SAML SignatureValue not cryptographically verified - authentication bypass...

CVE-2026-46423

Rocket.Chat prior to versions 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11 contains a SAML SP issue where the verifySignatures routine returns early if serviceProviderOptions.cert is falsy, causing silent skip of SAML Response and Assertion signature validation when the IdP certi...

CVE-2026-46423 Rocket.Chat: SAML signature validation skipped when IdP certificate field is empty

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's SAML service provider implementation silently skips both SAML Response and Assertion signature validation when the configured Id...

CVE-2026-45677 Rocket.Chat: Lack of SAML Signature Check During Logout Could Lead To DoS

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's SAML integration does not verify the signature on inbound LogoutRequest messages. An unauthenticated remote attacker who knows a...