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.
Advisories
| Source | ID | Title |
|---|---|---|
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 |
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.
References
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
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Status: PUBLISHED
Assigner: duo
Published:
Updated: 2024-08-05T18:12:39.492Z
Reserved: 2017-07-18T00:00:00.000Z
Link: CVE-2017-11427
No data.
Status : Modified
Published: 2019-04-17T14:29:00.247
Modified: 2024-11-21T03:07:46.187
Link: CVE-2017-11427
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Github GHSA