{"id":"CVE-2018-5387","aliases":[],"url":"https://o3.security/vulnerability/CVE-2018-5387","summary":"Wizkunde SAMLBase 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…","details":"Wizkunde SAMLBase 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.","published":"2018-07-24T15:29:01.187","modified":"2026-06-17T02:00:14.350","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[],"fix":{"url":"https://github.com/GoGentoOSS/SAMLBase/commit/482cdf8c090e0f1179073034ebcb609ac7c3f5b3","label":"GoGentoOSS/SAMLBase@482cdf8"},"references":[{"type":"EXPLOIT","url":"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"},{"type":"FIX","url":"https://github.com/GoGentoOSS/SAMLBase/commit/482cdf8c090e0f1179073034ebcb609ac7c3f5b3"},{"type":"FIX","url":"https://github.com/GoGentoOSS/SAMLBase/issues/3"},{"type":"ADVISORY","url":"https://www.kb.cert.org/vuls/id/475445"},{"type":"EXPLOIT","url":"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"},{"type":"FIX","url":"https://github.com/GoGentoOSS/SAMLBase/commit/482cdf8c090e0f1179073034ebcb609ac7c3f5b3"},{"type":"FIX","url":"https://github.com/GoGentoOSS/SAMLBase/issues/3"},{"type":"ADVISORY","url":"https://www.kb.cert.org/vuls/id/475445"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T02:00:14.350"}}