{"id":"CVE-2026-121555","aliases":["EUVD-2026-115900","GHSA-q47w-6jpv-q372"],"status":"published","title":"Foxel through 2.4.0 Unauthenticated File Read via /api/fs/stream and /api/fs/thumb","description":"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.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00579,"percentile":0.48141,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-11-03T15:17:12Z","modified":"2026-11-04T02:47:35Z","products":[{"vendor":"drizzletime","product":"foxel"}],"references":[{"url":"https://github.com/DrizzleTime/Foxel/issues/152","tags":["issue-tracking","report"]},{"url":"https://github.com/DrizzleTime/Foxel","tags":["product","package"]},{"url":"https://github.com/DrizzleTime/Foxel/commit/73d9fa825e1004d37abb7b10faea0cd7f5bcb463","tags":["patch","fix"]},{"url":"https://github.com/DrizzleTime/Foxel/blob/v2.4.0/domain/virtual_fs/api.py#L164-L182","tags":["technical-description","article"]},{"url":"https://github.com/DrizzleTime/Foxel/blob/v2.4.0/api/routers.py#L31","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/foxel-through-2.4.0-unauthenticated-file-read-via-api-fs-stream-and-api-fs-thumb","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121555","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q47w-6jpv-q372"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121555.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-121555","title":"Foxel through 2.4.0 Unauthenticated File Read via /api/fs/stream and /api/fs/thumb","description":"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.","status":"published","published":"2026-11-03T15:17:12.866Z","modified":"2026-11-03T18:27:48.395Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-03T20:02:16.924578Z"}],"euvd":[{"id":"EUVD-2026-115900","description":"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.","status":"published","published":"2026-11-03T15:17:12Z","modified":"2026-11-03T18:27:48Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-03T21:20:13.974366Z"}],"ghsa":[{"id":"GHSA-q47w-6jpv-q372","title":"Foxel through 2.4.0 contains a missing authentication vulnerability that allows unauthenticated...","description":"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.","status":"published","published":"2026-11-03T18:31:05Z","modified":"2026-11-03T18:31:09Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-03T19:01:31.965978Z"}],"nvd":[{"id":"CVE-2026-121555","description":"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.","status":"published","published":"2026-11-03T16:17:27.8Z","modified":"2026-11-03T19:18:04.867Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-03T22:58:51.822037Z"}],"osv":[{"id":"CVE-2026-121555","title":"Foxel through 2.4.0 Unauthenticated File Read via /api/fs/stream and /api/fs/thumb","description":"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.","status":"published","published":"2026-11-03T15:17:12.866Z","modified":"2026-11-05T03:31:08.513948613Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-05T07:12:46.161235Z"}]}}