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Vulnerabilities

Vulnerability · CVE-2025-46572

passport-wsfed-saml2 provides passport strategy for both WS-fed and SAML2 protocol.

Published May 6, 2025 · catalog updated May 13, 2025 · passport-wsfed-saml2 provides passport strategy

Check if you run it

No confirmed exploitation is on record for CVE-2025-46572. EPSS is 0.42%. Act only if a listed version of passport-wsfed-saml2 provides passport strategy is installed.

Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.42%
Remediation
Version ranges on file
Affected products
vendor auth0 passport-wsfed-saml2 3.0.5, < 4.6.4

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 crafting a SAMLResponse. This can be done by using a valid SAML object that was signed by the configured IdP. Users are affected specifically when the service provider is using passport-wsfed-saml2 and a valid SAML document signed by the Identity Provider can be obtained. Version 4.6.4 contains a fix for the vulnerability.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor auth0 passport-wsfed-saml2 3.0.5, < 4.6.43.0.5, < 4.6.4

How to fix CVE-2025-46572

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-46572. EPSS is 0.42%. Act only if a listed version of passport-wsfed-saml2 provides passport strategy is installed.

Which versions are affected?

Compare what you have installed with auth0 passport-wsfed-saml2 3.0.5, < 4.6.4 3.0.5, < 4.6.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.42%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 6, 2025 · EUVD

    Detected

    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 crafting a SAMLResponse. This can be done by using a valid SAML object that was signed by the configured IdP. Users are affected specifically when the service

  2. May 13, 2025 · EUVD

    Updated

    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 crafting a SAMLResponse. This can be done by using a valid SAML object that was signed by the configured IdP. Users are affected specifically when the service

Sources

  • FIRST EPSSExploitation probabilityCVE-2025-46572

    30-day exploitation probability 0.4%

    first.org
  • EUVDVulnerability recordEUVD-2025-13639

    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 crafting a SAMLResponse. This can be do

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.