{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-57491", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-24T14:53:40.111Z", "datePublished": "2026-10-14T20:17:04.140Z", "dateUpdated": "2026-10-15T18:52:12.800Z"}, "containers": {"cna": {"title": "FileRise: ZIP extraction writes blocked file extensions to disk, bypassing the upload blocklist", "problemTypes": [{"descriptions": [{"cweId": "CWE-434", "lang": "en", "description": "CWE-434: Unrestricted Upload of File with Dangerous Type", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/error311/FileRise/security/advisories/GHSA-c4g2-8fg6-5xrr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/error311/FileRise/security/advisories/GHSA-c4g2-8fg6-5xrr"}, {"name": "https://github.com/error311/FileRise/commit/f7114ca2a4e624238dda0d097a07ad6b05c11bb6", "tags": ["x_refsource_MISC"], "url": "https://github.com/error311/FileRise/commit/f7114ca2a4e624238dda0d097a07ad6b05c11bb6"}, {"name": "https://github.com/error311/FileRise/releases/tag/v3.16.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/error311/FileRise/releases/tag/v3.16.0"}], "affected": [{"vendor": "error311", "product": "FileRise", "versions": [{"version": "< 3.16.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-14T20:17:04.140Z"}, "descriptions": [{"lang": "en", "value": "FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.16.0, FileRise archive extraction does not apply UploadNamePolicy::isAllowedForWrite() before ZipArchive::extractTo() writes entries into the destination directory. An authenticated user with upload and extract permissions can place a blocked extension such as a PHP-family file inside a ZIP and cause it to be written to disk even when normal uploads reject that filename. Post-extraction metadata pruning does not remove the blocked file, so deployments that execute uploaded content may permit code execution. This issue is fixed in version 3.16.0."}], "source": {"advisory": "GHSA-c4g2-8fg6-5xrr", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/error311/FileRise/security/advisories/GHSA-c4g2-8fg6-5xrr", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T18:51:39.878344Z", "id": "CVE-2026-57491", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T18:52:12.800Z"}}]}}

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