samlify SAML Signature Wrapping attack
Priority MEDIUM 49CWE-347Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-347.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00468 40th percentileScored 2026-11-07
Fix Fixed samlify (tngan): 2.10.0samlify (npm): 2.10.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| tngan | samlify | before 2.10.0 | 2.10.0 | Patch available | CNA |
| — | samlify (npm) | before 2.10.0 | 2.10.0 | Patch available | GHSA-r683-v43c-6xqv |
- samlify Vendortngan Affected before 2.10.0 Fixed in 2.10.0 Patch available CNA
- samlify (npm) Vendor— Affected before 2.10.0 Fixed in 2.10.0 Patch available GHSA-r683-v43c-6xqv
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samlify_project:samlify:*:*:*:*:*:*:*:* | before 2.10.0 | Vulnerable | Samlify Project |
- cpe:2.3:a:samlify_project:samlify:*:*:*:*:*:*:*:* Versions before 2.10.0 Vulnerable ·Samlify Project
Remediation
- Fix · CNA samlify (tngan) Fixed in 2.10.0
- Fix · GHSA-r683-v43c-6xqv samlify (npm) Fixed in 2.10.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-47949
- 2026-10-03 Alias added: GHSA-r683-v43c-6xqv
References
More Samlify Project Samlify vulnerabilities
- TI-2026-34189 samlify: XML Injection in AttributeValue Allows Privilege Escalation in Signed SAML Assertions CVSS 4.0HIGH 8.7
- TI-2017-14663 An XML Signature Wrapping vulnerability exists in Samlify 2.2.0 and earlier, and in… CVSS 3.0HIGH 7.5
Sources
- CVE-2025-47949 · CVE Program
- CVE-2025-47949 · NVD
- FIRST EPSS
- GHSA-r683-v43c-6xqv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences