CVE-2025-46573 – passport-wsfed-saml2

Package

Manager: npm
Name: passport-wsfed-saml2
Vulnerable Version: >=3.0.5 <4.6.4

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS: 0.00132 pctl0.33575

Details

Passport-wsfed-saml2 allows SAML Authentication Bypass via Attribute Smuggling ### Overview This vulnerability 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. ### Am I Affected? You are affected by this SAML Attribute Smuggling 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 Response signed by the Identity Provider can be obtained ### Fix Upgrade to v4.6.4 or greater.

Metadata

Created: 2025-05-06T21:18:49Z
Modified: 2025-05-07T15:34:30Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-8gqj-226h-gm8r/GHSA-8gqj-226h-gm8r.json
CWE IDs: ["CWE-287", "CWE-290"]
Alternative ID: GHSA-8gqj-226h-gm8r
Finding: F039
Auto approve: 1