OneLogin PythonSAML 2.3.0 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.

Project Subscriptions

Vendors Products
Onelogin Subscribe
Pythonsaml Subscribe
Advisories
Source ID Title
EUVD EUVD EUVD-2019-0118 OneLogin PythonSAML 2.3.0 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.
Github GHSA Github GHSA GHSA-j8j8-348v-wfm3 Python-saml allows manipulation of SAML data without invalidation of cryptographic signature
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 19 Feb 2026 18:00:00 +0000

Type Values Removed Values Added
Title Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: duo

Published:

Updated: 2024-08-05T18:12:39.492Z

Reserved: 2017-07-18T00:00:00.000Z

Link: CVE-2017-11427

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-04-17T14:29:00.247

Modified: 2024-11-21T03:07:46.187

Link: CVE-2017-11427

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses