{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"DrizzleTime/Foxel","product":"Foxel","source":"CNA: VulnCheck","vendor":"DrizzleTime","versions":[{"lessThanOrEqual":"2.4.0","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-121555","cwes":["CWE-306"],"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: VulnCheck","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","version":"4.0"},{"score":7.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},{"score":8.7,"severity":"high","source":"NVD: disclosure@vulncheck.com","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","version":"4.0"},{"score":7.5,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1793730468395,"publishedAt":1793719032866,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/DrizzleTime/Foxel/issues/152"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/DrizzleTime/Foxel"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/DrizzleTime/Foxel/commit/73d9fa825e1004d37abb7b10faea0cd7f5bcb463"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/DrizzleTime/Foxel/blob/v2.4.0/domain/virtual_fs/api.py#L164-L182"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/DrizzleTime/Foxel/blob/v2.4.0/api/routers.py#L31"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/foxel-through-2.4.0-unauthenticated-file-read-via-api-fs-stream-and-api-fs-thumb"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/DrizzleTime/Foxel"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/DrizzleTime/Foxel/blob/v2.4.0/api/routers.py#L31"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/DrizzleTime/Foxel/blob/v2.4.0/domain/virtual_fs/api.py#L164-L182"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/DrizzleTime/Foxel/commit/73d9fa825e1004d37abb7b10faea0cd7f5bcb463"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/DrizzleTime/Foxel/issues/152"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/foxel-through-2.4.0-unauthenticated-file-read-via-api-fs-stream-and-api-fs-thumb"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/DrizzleTime/Foxel/commit/73d9fa825e1004d37abb7b10faea0cd7f5bcb463"}],"revision":"ed9064c538e12b8c04c33385dc12bc6039b8466f5db47c251992b3066c99d08d","sources":[{"modifiedAt":1793730468395,"name":"CNA: VulnCheck","retrievedAt":1793733006145,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121555"},{"modifiedAt":1793723449290,"name":"NVD","retrievedAt":1793730105367,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121555"}],"ssvc":{"assessedAt":1793728297929,"automatable":"yes","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Foxel through 2.4.0 Unauthenticated File Read via /api/fs/stream and /api/fs/thumb","updatedAt":1793733006145}