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CVE-2025-47949 — Vulnerability in samlify — CVE Details

CRITICAL

samlify SAML Signature Wrapping attack

Published May 19, 2025Updated May 19, 2025Source: osv

Summary

A Signature Wrapping attack has been found in samlify <v2.10.0, 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.

Advisory Timeline

  • First published May 19, 2025 (511 days ago).
  • Last revised May 19, 2025 — 0 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

npm
Update samlify to 2.10.0 or later
npm install samlify@2.10.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: npm (1).

PackageEcosystemAffectedFixed In
samlify
npm
All versions2.10.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-347
    Improper Verification of Cryptographic SignatureMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 10.0 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
—
Confidentiality
—
Integrity
—
Availability
—

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

References

Frequently Asked Questions

What is CVE-2025-47949?
samlify SAML Signature Wrapping attack This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 10.0/10).
How do I check if my project is affected by CVE-2025-47949?
CVE-2025-47949 affects samlify. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-47949 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
10.0

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-r683-v43c-6xqv

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