{"id":"CVE-2026-121555","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-121555","summary":"Foxel through 2.4.0 Unauthenticated File Read via /api/fs/stream and /api/fs/thumb","details":"Foxel through 2.4.0 contains a missing authentication vulnerability that allows unauthenticated attackers to read files by requesting the /api/fs/stream and /api/fs/thumb endpoints. Attackers can supply a VFS mount prefix and relative path to retrieve full file contents or thumbnails across all mounts, bypassing PathRule permission grants.","published":"2026-11-03T15:17:12.866Z","modified":"2026-11-05T03:31:08.513948613Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/DrizzleTime/Foxel/commit/73d9fa825e1004d37abb7b10faea0cd7f5bcb463","label":"DrizzleTime/Foxel@73d9fa8"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121555.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121555"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/foxel-through-2.4.0-unauthenticated-file-read-via-api-fs-stream-and-api-fs-thumb"},{"type":"REPORT","url":"https://github.com/DrizzleTime/Foxel/issues/152"},{"type":"FIX","url":"https://github.com/DrizzleTime/Foxel/commit/73d9fa825e1004d37abb7b10faea0cd7f5bcb463"},{"type":"PACKAGE","url":"https://github.com/DrizzleTime/Foxel"},{"type":"ARTICLE","url":"https://github.com/DrizzleTime/Foxel/blob/v2.4.0/api/routers.py#L31"},{"type":"ARTICLE","url":"https://github.com/DrizzleTime/Foxel/blob/v2.4.0/domain/virtual_fs/api.py#L164-L182"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-11-05T03:31:08.513948613Z"}}