CVE-2026-89043

passport-saml-encrypted through 0.1.13 contains an XML signature wrapping vulnerability where signature verification and assertion extraction use independent XPath lookups with no cross-validation. Attackers holding any validly signed SAML message can prepend a forged unsigned assertion that gets...

CVE-2026-89043 passport-saml-encrypted through 0.1.13 XML Signature Wrapping via Assertion Prepending

passport-saml-encrypted through 0.1.13 contains an XML signature wrapping vulnerability where signature verification and assertion extraction use independent XPath lookups with no cross-validation. Attackers holding any validly signed SAML message can prepend a forged unsigned assertion that gets...

EUVD-2026-75632

passport-saml-encrypted through 0.1.13 contains an XML signature wrapping vulnerability where signature verification and assertion extraction use independent XPath lookups with no cross-validation. Attackers holding any validly signed SAML message can prepend a forged unsigned assertion that gets...

BIT-KEYCLOAK-2026-11800 Org.keycloak:keycloak-services: keycloak: authentication bypass via jwt algorithm confusion

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...

CVE-2026-10579 Picketlink-federation: auth bypass in picketlink saml unsolicited-response

A flaw was found in Picketlink Federation SAML; the unsolcited response handler would accept forged assertions with no verification or validation, permitting an unauthed attacker to authenticate as any principal in any role. This could lead to information disclosure, access to restricted...

CVE-2026-10579

A flaw was found in Picketlink Federation SAML; the unsolcited response handler would accept forged assertions with no verification or validation, permitting an unauthed attacker to authenticate as any principal in any role. This could lead to information disclosure, access to restricted...

PT-2026-70087

Name of the Vulnerable Software and Affected Versions Picketlink Federation SAML affected versions not specified Description The unsolicited response handler accepts forged assertions without verification or validation. This allows an unauthenticated attacker to authenticate as any principal in a...

PT-2026-55452

Name of the Vulnerable Software and Affected Versions SimpleSAMLphp versions prior to 4.19.3 SimpleSAMLphp versions prior to 4.20.2 SimpleSAMLphp versions prior to 5.0.6 SimpleSAMLphp versions prior to 6.2.1 Description In the HTTPArtifact::receive flow, the library may treat an unsigned embedded...

CVE-2026-11800 Org.keycloak:keycloak-services: keycloak: authentication bypass via jwt algorithm confusion

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...

CVE-2026-56223

Capgo

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...

PT-2024-33706 · Github · Github Enterprise Server

Name of the Vulnerable Software and Affected Versions: GitHub Enterprise Server affected versions not specified Description: The issue affects instances with SAML SSO and encrypted assertions, allowing an attacker to forge a SAML response and gain admin privileges and unrestricted access to the...