{"id":"CVE-2018-16831","aliases":["GHSA-65j5-vpm7-6xp4"],"url":"https://o3.security/vulnerability/CVE-2018-16831","summary":"Smarty Path Traversal Vulnerability","details":"Smarty before 3.1.33-dev-4 allows attackers to bypass the trusted_dir protection mechanism via a file:./../ substring in an include statement.","published":"2018-09-11T13:29:01.293Z","modified":"2026-07-08T17:18:11.968010Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.02663,"percentile":0.84508,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"smarty/smarty","fixedVersion":"3.1.33"}],"fix":null,"references":[{"type":"EVIDENCE","url":"https://github.com/smarty-php/smarty/issues/486"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T17:18:11.968010Z"}}