What is CVE-2025-54419?

CVE-2025-54419 is a critical-severity vulnerability in Node-saml, classified under Improper Authentication. CVSS score: 10.0/10. Published 2025-07-28.

How severe is CVE-2025-54419?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Auth bypass in Node-saml

CVE-2025-54419

A SAML library not dependent on any frameworks that runs in Node. In version 5.0.1, Node-SAML loads the assertion from the (unsigned) original response document. This is different than the parts that are verified when checking signature. T…

Vulnerability class: Broken Authentication

EPSS: 0.004 (27.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Node-saml — versions = 5.0.1

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-54419?: CVE-2025-54419 is a critical-severity vulnerability in Node-saml, classified under Improper Authentication. CVSS score: 10.0/10. Published 2025-07-28.
How severe is CVE-2025-54419?: Critical severity. CVSS v3 base score is 10.0 out of 10.