{"id":"CVE-2026-91144","title":"ZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint","summary":"ZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint. Attackers holding a share link can supply arbitrary file paths as query parameters to download any file under the…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-639"],"vendor":"zfile-dev","product":"zfile","affected":["zfile <= 5.0.5"],"published":"2026-09-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T20:18:53.003","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-91144","references":[{"url":"https://github.com/zfile-dev/zfile","label":"disclosure@vulncheck.com"},{"url":"https://github.com/zfile-dev/zfile/blob/5.0.5/src/main/java/im/zhaojun/zfile/module/share/service/ShareLinkFileService.java","label":"disclosure@vulncheck.com"},{"url":"https://github.com/zfile-dev/zfile/issues/826","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/zfile-through-5.0.5-share-entry-filter-bypass-via-download-endpoint","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-17T18:28:24.541944Z"},"epss":0.00371,"epssPercentile":0.30964,"ingestedAt":"2026-09-14T22:16:09.894Z","slug":"CVE-2026-91144","body":"## Overview\n\nZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint. Attackers holding a share link can supply arbitrary file paths as query parameters to download any file under the shared base directory, bypassing the intended access restrictions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}