{"id":"CVE-2018-6520","aliases":["GHSA-2qfc-48v5-4w5h"],"url":"https://o3.security/vulnerability/CVE-2018-6520","summary":"SimpleSAMLphp Open redirection protection bypass","details":"SimpleSAMLphp before 1.15.2 allows remote attackers to bypass an open redirect protection mechanism via crafted authority data in a URL.","published":"2018-02-02T01:29:00.307Z","modified":"2026-10-24T10:48:43.274733050Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"simplesamlphp/simplesamlphp","fixedVersion":"1.15.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://simplesamlphp.org/security/201801-02"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6520"},{"type":"WEB","url":"https://github.com/simplesamlphp/simplesamlphp/issues/1473"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2018-6520.yaml"},{"type":"PACKAGE","url":"https://github.com/simplesamlphp/simplesamlphp"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:48:43.274733050Z"}}