by Kastro
Paper/Archive/CVE-2025-47949

CVE-2025-47949

tngan samlify — samlify SAML Signature Wrapping attack

EPSS 0.5%CVSS 9.9
critical.is priorityof 100
38
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 40.6.406 × 208.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
samlify< 2.10.0–CNA

Scores by source

GitHub_M (CNA)9.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/tngan/samlify/security/advisories/GHSA-r683-v43c-6xqvrefgithub.com/tngan/samlify/commit/115679acd89f0a37ea3ebd8fff7db54fca3e8af3