{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91144", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-14T20:35:39.547Z", "datePublished": "2026-09-14T21:45:44.595Z", "dateUpdated": "2026-09-14T21:45:44.595Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-14T21:45:44.595Z"}, "datePublic": "2026-06-16T00:00:00.000Z", "title": "ZFile through 5.0.5 Share Entry Filter Bypass via Download Endpoint", "descriptions": [{"lang": "en", "value": "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 shared base directory, bypassing the intended access restrictions."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "affected": [{"vendor": "zfile-dev", "product": "zfile", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "5.0.5", "status": "affected", "versionType": "semver"}], "repo": "https://github.com/zfile-dev/zfile"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:zfile:zfile:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.0.5"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/zfile-dev/zfile/issues/826", "tags": ["issue-tracking"], "name": "GitHub Issue #826"}, {"url": "https://github.com/zfile-dev/zfile", "tags": ["product"]}, {"url": "https://github.com/zfile-dev/zfile/blob/5.0.5/src/main/java/im/zhaojun/zfile/module/share/service/ShareLinkFileService.java", "tags": ["technical-description"], "name": "ShareLinkFileService.java at 5.0.5"}, {"name": "VulnCheck Advisory: ZFile through 5.0.5 Share Entry Filter Bypass via Download Endpoint", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/zfile-through-5.0.5-share-entry-filter-bypass-via-download-endpoint"}], "credits": [{"lang": "en", "value": "George Chen", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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