Critical

samlify SAML Signature Wrapping attack

  • Disclosed: 19.05.2025
  • Updated: 11.10.2026 10:22

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.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package samlify < 2.10.0 2.10.0

References

CVSS score -
CVSS 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
Weakness (CWE)
CWE-347
Platform
npm
Package
samlify
Disclosed
19.05.2025
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-r683-v43c-6xqv - CC BY 4.0

Vulnerability history: samlify

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
01.2018 05.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 2

Disclosures per year

  1. 2018: 1
  2. 2019: 0
  3. 2020: 0
  4. 2021: 0
  5. 2022: 0
  6. 2023: 0
  7. 2024: 0
  8. 2025: 1
  9. 2026: 1
  1. samlify SAML Signature Wrapping attack this entry
    Critical CVE-2025-47949 < 2.10.0 2.10.0

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