CVE-2025-46573
CVE-2025-46573 · passport-wsfed-saml2 Has SAML Authentication Bypass via Attribute Smuggling
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.6 · High · EPSS 0.4% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
passport-wsfed-saml2
- Versions
- >= 3.0.5, < 4.6.4: Affected
No fix published
passport-wsfed-saml2 npm
- Affected ranges
- SEMVER: ≥ 3.0.5, < 4.6.4
Update to 4.6.4