CVE-2026-62843

{"id": "CVE-2026-62843", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-62843", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-15T16:25:16.686275Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.3}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "filebrowser", "product": "filebrowser", "versions": [{"status": "affected", "version": ">= 2.63.6, < 2.63.17"}]}]}], "published": "2026-07-15T16:16:52.160", "references": [{"url": "https://github.com/filebrowser/filebrowser/commit/8503ba61ff51d48a7313896483d130eb6a5abfe0", "source": "security-advisories@github.com"}, {"url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17", "source": "security-advisories@github.com"}, {"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww", "source": "security-advisories@github.com"}, {"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-23"}]}], "descriptions": [{"lang": "en", "value": "File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAll(nameInArchive, \"\\\", \"/\"), which turns a POSIX filename such as ..\\..\\evil.sh into the archive entry ../../evil.sh, allowing a user with upload permission to plant a backslash-named file that escapes the extraction directory when another user downloads and extracts the generated zip or tar archive. This issue is fixed in version 2.63.17."}], "lastModified": "2026-07-15T18:15:13.373", "sourceIdentifier": "security-advisories@github.com"}