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.
Published: 2025-05-19
Score: 9.9 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-15809 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.
Github GHSA Github GHSA GHSA-r683-v43c-6xqv samlify SAML Signature Wrapping attack
History

Fri, 19 Sep 2025 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Samlify Project
Samlify Project samlify
CPEs cpe:2.3:a:samlify_project:samlify:*:*:*:*:*:*:*:*
Vendors & Products Samlify Project
Samlify Project samlify
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

Tue, 20 May 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 19 May 2025 19:30:00 +0000

Type Values Removed Values Added
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.
Title samlify SAML Signature Wrapping attack
Weaknesses CWE-347
References
Metrics cvssV4_0

{'score': 9.9, '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'}

Subscriptions

Samlify Project Samlify
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-05-20T13:00:40.340Z

Reserved: 2025-05-14T10:32:43.530Z

Link: CVE-2025-47949

cve-icon Vulnrichment

Updated: 2025-05-20T13:00:37.335Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-19T20:15:26.287

Modified: 2025-09-19T17:32:34.830

Link: CVE-2025-47949

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses