{"id":"CVE-2026-72835","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-72835","summary":"filebrowser versions before v2.63.21 fail to canonicalize paths before evaluating access rules, allowing authenticated users to bypass administrator-defined deny rules using case-variant…","details":"filebrowser versions before v2.63.21 fail to canonicalize paths before evaluating access rules, allowing authenticated users to bypass administrator-defined deny rules using case-variant or backslash-separated paths. Attackers can request files with alternate path representations that match no rule but resolve to the same filesystem object, gaining unauthorized access to denied files within their scope.","published":"2026-08-14T12:16:46.930","modified":"2026-08-14T12:16:46.930","cvss":{"score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-fgm5-pw99-w2p7"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/filebrowser-before-access-rule-bypass-via-path-canonicalization"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T12:16:46.930"}}