{"id":"CVE-2026-72837","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-72837","summary":"File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated…","details":"File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment.","published":"2026-08-14T12:16:47.187","modified":"2026-08-14T12:16:47.187","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-j7jh-37pf-mf8h"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/file-browser-before-privilege-escalation-via-proxy-authentication"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T12:16:47.187"}}