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Critical · 9.9 CVE-2025-47949 EUVD-2025-15809GHSA-r683-v43c-6xqv

samlify SAML Signature Wrapping attack

Published May 19, 2025 · Updated May 20, 2025 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
tngan samlify < 2.10.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm samlify < 2.10.0 2.10.0 GHSA-r683-v43c-6xqv

References