samlify is a Node.js library for SAML single sign-on. A Signature Wrapping attack has been found in samlify prior to version 2.10.0, allowing an attacker to forge a SAML Response to authenticate as any user. An attacker would need a signed XML document by the identity provider. Version 2.10.0 fixes the issue.
CVE ID: CVE-2025-47949
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.9
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Vendor: tngan
Product: samlify
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 4.61% (scored less or equal to compared to others)
EPSS Date: 2025-06-06 (when was this score calculated)