Critical severityNVD Advisory· Published May 19, 2025· Updated May 20, 2025
samlify SAML Signature Wrapping attack
CVE-2025-47949
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
samlifynpm | < 2.10.0 | 2.10.0 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-r683-v43c-6xqvghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-47949ghsaADVISORY
- github.com/tngan/samlify/commit/115679acd89f0a37ea3ebd8fff7db54fca3e8af3ghsax_refsource_MISCWEB
- github.com/tngan/samlify/security/advisories/GHSA-r683-v43c-6xqvghsax_refsource_CONFIRMWEB
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