CVE-2025-46573 Information

Description

passport-wsfed-saml2 provides passport strategy for both WS-fed and SAML2 protocol. A vulnerability present starting in version 3.0.5 up to and including version 4.6.3 allows an attacker to impersonate any user during SAML authentication by tampering with a valid SAML response. This can be done by adding attributes to the response. Users are affected specifically when the service provider is using passport-wsfed-saml2 and a valid SAML Response signed by the Identity Provider can be obtained. Version 4.6.4 contains a fix for the vulnerability.

Reference

https://github.com/auth0/passport-wsfed-saml2/commit/e5cf3cc2a53748207f7a81bfba9195c8efa94181 https://github.com/auth0/passport-wsfed-saml2/security/advisories/GHSA-8gqj-226h-gm8r