CVE-2017-11427: Python-saml allows manipulation of SAML data without invalidation of cryptographic signature

Severity: Critical

CVSS Score: 7.7

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.