NetSight
critical9.3

CVE-2025-46572

Passport-wsfed-saml2 allows SAML Authentication Bypass via Signature Wrapping

Impact

### Overview This vulnerability allows an attacker to impersonate any user during SAML authentication by crafting a SAMLResponse. This can be done by using a valid SAML object that was signed by the configured IdP. ### Am I Affected? You are affected by this SAML Signature Wrapping vulnerability if you are using `passport-wsfed-saml2` version 4.6.3 or below, specifically under the following conditions: 1. The service provider is using `passport-wsfed-saml2`, 2. A valid SAML document signed by the Identity Provider can be obtained. ### Fix Upgrade to v4.6.4 or greater.

Affected packages

EcosystemPackageAffectedFixed in
npmpassport-wsfed-saml2>= 3.0.5, <= 4.6.34.6.4

Weakness classification

References