CVE-2025-47949

critical · 9.9

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.

9.9

CVSS

0.5%

EPSS (exploit prob.)

40th

EPSS percentile

2025-05-19

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-347

Affected products

Vendor	Product	Affected versions
samlify_project	samlify	< 2.10.0

Check a specific version with /api/v1/cve/match.

References

https://github.com/tngan/samlify/commit/115679acd89f0a37ea3ebd8fff7db54fca3e8af3
https://github.com/tngan/samlify/security/advisories/GHSA-r683-v43c-6xqv

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-47949