Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal
Priority MEDIUM 47CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
Clever saml2-js 2.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.
Why it matters now
EPSS 0.02748 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed saml2-js (Clever): 1.0, 2.0saml2-js (npm): 1.12.4, 2.0.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Clever | saml2-js | before 1.0; before 2.0 | 1.0, 2.0 | Patch available | CNA |
| — | saml2-js (npm) | before 1.12.4 | 1.12.4 | Patch available | GHSA-5p5w-j3g7-w4wv |
| — | saml2-js (npm) | 2.0.0 to before 2.0.2 | 2.0.2 | Patch available | GHSA-5p5w-j3g7-w4wv |
- saml2-js VendorClever Affected before 1.0; before 2.0 Fixed in 1.0, 2.0 Patch available CNA
- saml2-js (npm) Vendor— Affected before 1.12.4 Fixed in 1.12.4 Patch available GHSA-5p5w-j3g7-w4wv
- saml2-js (npm) Vendor— Affected 2.0.0 to before 2.0.2 Fixed in 2.0.2 Patch available GHSA-5p5w-j3g7-w4wv
Remediation
- Fix · CNA saml2-js (Clever) Fixed in 1.0, 2.0
- Fix · GHSA-5p5w-j3g7-w4wv saml2-js (npm) Fixed in 1.12.4 Advisory →
- Fix · GHSA-5p5w-j3g7-w4wv saml2-js (npm) Fixed in 2.0.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2017-11429
- 2026-10-03 Alias added: GHSA-5p5w-j3g7-w4wv
References
Sources
- CVE-2017-11429 · CVE Program
- CVE-2017-11429 · NVD
- FIRST EPSS
- GHSA-5p5w-j3g7-w4wv · GitHub Advisory Database · CC BY 4.0
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