CVE-2026-32758

{"id": "CVE-2026-32758", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2026-03-20T00:16:17.093", "references": [{"url": "https://github.com/filebrowser/filebrowser/commit/4bd7d69c82163b201a987e99c0c50d7ecc6ee5f1", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.62.0", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-9f3r-2vgw-m8xp", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Versions 2.61.2 and below are vulnerable to Path Traversal through the resourcePatchHandler (http/resource.go). The destination path in resourcePatchHandler is validated against access rules before being cleaned/normalized, while the actual file operation calls path.Clean() afterward\u2014resolving .. sequences into a different effective path. This allows an authenticated user with Create or Rename permissions to bypass administrator-configured deny rules (both prefix-based and regex-based) by injecting .. sequences in the destination parameter of a PATCH request. As a result, the user can write or move files into any deny-rule-protected path within their scope. However, this cannot be used to escape the user's BasePathFs scope or read from restricted paths. This issue has been fixed in version 2.62.0."}, {"lang": "es", "value": "File Browser es una interfaz de gesti\u00f3n de archivos para subir, eliminar, previsualizar, renombrar y editar archivos dentro de un directorio especificado. Las versiones 2.61.2 e inferiores son vulnerables a Salto de ruta a trav\u00e9s del resourcePatchHandler (http/resource.go). La ruta de destino en resourcePatchHandler se valida contra las reglas de acceso antes de ser limpiada/normalizada, mientras que la operaci\u00f3n de archivo real llama a path.Clean() despu\u00e9s, resolviendo secuencias de .. en una ruta efectiva diferente. Esto permite a un usuario autenticado con permisos de Creaci\u00f3n o Renombrado eludir las reglas de denegaci\u00f3n configuradas por el administrador (tanto basadas en prefijos como en expresiones regulares) inyectando secuencias de .. en el par\u00e1metro de destino de una solicitud PATCH. Como resultado, el usuario puede escribir o mover archivos a cualquier ruta protegida por reglas de denegaci\u00f3n dentro de su \u00e1mbito. Sin embargo, esto no puede usarse para escapar del \u00e1mbito BasePathFs del usuario o leer de rutas restringidas. Este problema ha sido solucionado en la versi\u00f3n 2.62.0."}], "lastModified": "2026-03-23T16:55:20.893", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7E5C9E4B-8749-44EA-AB8D-1292D4C9DB65", "versionEndExcluding": "2.62.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}