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CVE-2026-33329

Estado: AnalizadaAlta (8.1)—

FileRise is a self-hosted web file manager / WebDAV server. From version 1.0.1 to before version 3.10.0, the resumableIdentifier parameter in the Resumable.js chunked upload handler (UploadModel::handleUpload()) is concatenated directly into filesystem paths without any sanitization. An authenticated user with upload permission can exploit this to write files to arbitrary directories on the server, delete arbitrary directories via the post-assembly cleanup, and probe file/directory existence. This issue has been patched in version 3.10.0.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Tecnologías afectadas (1)

CWE

Referencias

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{
  "id": "CVE-2026-33329",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-25T16:19:57.166744Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
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  "published": "2026-03-24T20:16:28.217",
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      "url": "https://github.com/error311/FileRise/commit/3871f9fd1661688bed4f7dd23912be0ebf50973c",
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      "description": [
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          "lang": "en",
          "value": "CWE-22"
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        {
          "lang": "en",
          "value": "CWE-73"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "FileRise is a self-hosted web file manager / WebDAV server. From version 1.0.1 to before version 3.10.0, the resumableIdentifier parameter in the Resumable.js chunked upload handler (UploadModel::handleUpload()) is concatenated directly into filesystem paths without any sanitization. An authenticated user with upload permission can exploit this to write files to arbitrary directories on the server, delete arbitrary directories via the post-assembly cleanup, and probe file/directory existence. This issue has been patched in version 3.10.0."
    },
    {
      "lang": "es",
      "value": "FileRise es un gestor de archivos web / servidor WebDAV autoalojado. Desde la versión 1.0.1 hasta antes de la versión 3.10.0, el parámetro resumableIdentifier en el gestor de carga fragmentada de Resumable.js (UploadModel::handleUpload()) se concatena directamente en las rutas del sistema de archivos sin ninguna sanitización. Un usuario autenticado con permiso de carga puede explotar esto para escribir archivos en directorios arbitrarios en el servidor, eliminar directorios arbitrarios a través de la limpieza posterior al ensamblaje y sondear la existencia de archivos/directorios. Este problema ha sido parcheado en la versión 3.10.0."
    }
  ],
  "lastModified": "2026-06-17T10:37:19.810",
  "configurations": [
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              "versionEndExcluding": "3.10.0",
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          ],
          "operator": "OR"
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  "sourceIdentifier": "security-advisories@github.com"
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