EUVD-2026-51479

A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and access management solution. The issue occurs when Keycloak handles SAML authentication requests using the HTTP-Redirect binding. If a client is configured with a wildcard redirect URL, an attacker can...

CVE-2026-18217 Keycloak-services: keycloak-services: saml http-redirect binding response preserves query string leading to parameter pollution

A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and access management solution. The issue occurs when Keycloak handles SAML authentication requests using the HTTP-Redirect binding. If a client is configured with a wildcard redirect URL, an attacker can...

EUVD-2026-51023

Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML signatures but did not bind the validated signature to samlp:Response / saml:Assertion. An attacker could submit a wrapped document carrying forged identity attributes alongside...

The vulnerability of the Oracle WebLogic Server application server’s kernel allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the Oracle WebLogic Server application server’s kernel is related to deficiencies in the authentication process. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information using the SAML protoc...

CVE-2026-15981

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.4.4. This is due to the mosamlvalidatesignature function performing a loose boolean check on the raw tri-state integer returned by PHP's opensslverify, causing a...

CVE-2026-15981

The CVE describes an unauthenticated authentication bypass in the WordPress SAML SSO Login plugin up to version 5.4.4. The root cause is mo_saml_validate_signature() evaluating the OpenSSL verify result (-1) as truthy due to a loose boolean check on the value returned by PHP openssl_verify(). Thi...

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-2026-54781

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-2026-44946

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,...

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...

PT-2026-52096

Name of the Vulnerable Software and Affected Versions Rocket.Chat versions prior to 8.5.0 Rocket.Chat versions prior to 8.4.1 Rocket.Chat versions prior to 8.3.3 Rocket.Chat versions prior to 8.2.3 Rocket.Chat versions prior to 8.1.4 Rocket.Chat versions prior to 8.0.5 Rocket.Chat versions prior ...

CVE-2026-12804

A vulnerability was detected in lemonldap-ng up to 2.23.0. Impacted is an unknown function in the library lemonldap-ng-portal/lib/Lemonldap/NG/Portal/CDC.pm of the component SAML Common Domain Cookie Endpoint. Performing a manipulation of the argument url results in open redirect. The attack is...

CoreWCF: SAML SubjectConfirmation methods and holder-of-key proof keys are not enforced

Impact The relying application is given a ClaimsPrincipal for a subject whose authority over the assertion the sender never proved. There are two distinct exploit shapes: - Holder-of-key downgrade. An attacker who obtains a holder-of-key SAML assertion that was issued without KeyInfo issuer bug,...