{"id":"CVE-2018-5387","aliases":["EUVD-2022-2997","GHSA-7gh2-8q93-87hp"],"status":"published","title":"Wizkunde SAMLBase SAML Bypass","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0166,"percentile":0.76806,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287","CWE-347"],"published":"2018-07-24T15:00:00Z","modified":"2026-06-17T02:00:14Z","fixes":[{"ecosystem":"Packagist","package":"gogentooss/samlbase","fixed_in":["1.2.7"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"gogentooss/samlbase","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.7"}]}]},{"source":"osv","ecosystem":"Packagist","package":"gogentooss/samlbase","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.7"}]}],"versions":["0.7","1.0.0","1.0.1","1.0.2","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6"]}],"products":[{"vendor":"wizkunde","product":"samlbase"}],"references":[{"url":"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://www.kb.cert.org/vuls/id/475445","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource","web"]},{"url":"https://github.com/GoGentoOSS/SAMLBase/issues/3","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","web"]},{"url":"https://github.com/GoGentoOSS/SAMLBase/commit/482cdf8c090e0f1179073034ebcb609ac7c3f5b3","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5387","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7gh2-8q93-87hp"},{"url":"https://github.com/GoGentoOSS/SAMLBase","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-5387","description":"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 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providers.","status":"published","published":"2022-05-13T01:02:57Z","modified":"2024-02-16T08:25:14.282608Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:46:41.002603Z"}]}}