CVE-2025-47949

CVE-2025-47949 · samlify SAML Signature Wrapping attack

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 9.9 · Critical · EPSS 0.5% · Fix available

Published: 2025-05-19T19:28:45.476Z
Updated: 2025-05-20T13:00:40.340Z

Stack: node

Affected products and versions

samlify
Versions
- < 2.10.0: Affected
No fix published
samlify npm
Affected ranges
- SEMVER: < 2.10.0
Update to 2.10.0

Original sources

https://github.com/tngan/samlify/security/advisories/GHSA-r683-v43c-6xqv
https://github.com/tngan/samlify/commit/115679acd89f0a37ea3ebd8fff7db54fca3e8af3
https://nvd.nist.gov/vuln/detail/CVE-2025-47949

Check your server →

CVE-2025-47949 · samlify SAML Signature Wrapping attack

Affected products and versions

samlify

samlify npm

Original sources