{"id":"CVE-2026-82238","title":"filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests","summary":"filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous P…","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-367"],"published":"2026-08-28","updated":"2026-09-24","sourceUpdated":"2026-09-24T20:34:34.170","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82238","references":[{"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-4r8p-gqj2-mwgm","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/filebrowser-2.24.0-race-condition-via-tus-concurrent-patch-uploads","label":"disclosure@vulncheck.com"},{"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-4r8p-gqj2-mwgm","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00266,"epssPercentile":0.16454,"ingestedAt":"2026-09-24T20:51:40.238Z","slug":"CVE-2026-82238","body":"## Overview\n\nfilebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous PATCH requests at the same offset to bypass length validation, resulting in files that exceed their declared size and triggering completion hooks for oversized uploads.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":17,"depthScoreParts":{"impact":17.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}