Authentication Bypass

Node-SAML is vulnerable to Authentication Bypass. The vulnerability is due to improper signature verification because the library loads assertions from the unsigned original response document instead of the signed portion, allowing attackers with a validly signed document to alter authentication...

PT-2025-31149

Name of the Vulnerable Software and Affected Versions: Node-SAML versions 5.0.1 and below Description: Node-SAML improperly loads the assertion from the unsigned original response document, differing from the parts verified during signature checking. This allows modification of authentication...

Input validation

A signature-validation bypass issue was discovered in SimpleSAMLphp through 1.14.16. A SimpleSAMLphp Service Provider using SAML 1.1 will regard as valid any unsigned SAML response containing more than one signed assertion, provided that the signature of at least one of the assertions is valid...

UBUNTU-CVE-2017-18122

A signature-validation bypass issue was discovered in SimpleSAMLphp through 1.14.16. A SimpleSAMLphp Service Provider using SAML 1.1 will regard as valid any unsigned SAML response containing more than one signed assertion, provided that the signature of at least one of the assertions is valid...