VULNERABILITY INTELLIGENCE
CVE-2017-11427
CVSS score9.8 CRITICAL
EPSS probability4.37%
CISA KEVNot currently listed
Published2019-04-17
Last modified2026-06-17
Description
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.