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CVE-2026-58166

Estado: AplazadaAlta (8.8)—

OpenBMB ChatDev through 2.2.0, fixed in commit 4fd4da6, contains a path traversal vulnerability that allows unauthenticated remote attackers to write or delete arbitrary files by supplying a malicious multipart filename in the file upload endpoint. Attackers can send a crafted filename containing path traversal sequences or an absolute path to the POST uploads session endpoint, which constructs the destination path without sanitization in save_upload_file, causing file write and cleanup operations to target attacker-chosen paths on the server filesystem.

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.

Vector CVSS con AV:N/PR:N/UI:N indica red sin autenticación (T1190). La vulnerabilidad de path traversal (CWE-22) en endpoint de carga permite escritura/eliminación arbitraria de archivos (T1565.001 manipulación de datos), potencialmente comprometiendo disponibilidad del servidor (T1491.001 defaceme

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Vulnerability ScanningRestrict File and Directory PermissionsPrivileged Account ManagementRemote Data StorageNetwork SegmentationLimit Access to Resource Over Network

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Openbmb — ChatdevAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-58166",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2026-58166",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
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              "automatable": "yes"
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            {
              "technicalImpact": "partial"
            }
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          "version": "2.0.3",
          "timestamp": "2026-07-01T15:00:34.716754Z"
        }
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    "cvssMetricV31": [
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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    "cvssMetricV40": [
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          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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      "affectedData": [
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          "repo": "https://github.com/OpenBMB/ChatDev",
          "vendor": "OpenBMB",
          "product": "ChatDev",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
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  "published": "2026-06-30T17:16:23.487",
  "references": [
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      "url": "https://github.com/OpenBMB/ChatDev/commit/4fd4da603801766b14ad8788649cfc1ad21f99a6",
      "source": "disclosure@vulncheck.com"
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      "url": "https://github.com/OpenBMB/ChatDev/issues/638",
      "source": "disclosure@vulncheck.com"
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      "url": "https://github.com/OpenBMB/ChatDev/pull/641",
      "source": "disclosure@vulncheck.com"
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  ],
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    {
      "lang": "en",
      "value": "OpenBMB ChatDev through 2.2.0, fixed in commit 4fd4da6, contains a path traversal vulnerability that allows unauthenticated remote attackers to write or delete arbitrary files by supplying a malicious multipart filename in the file upload endpoint. Attackers can send a crafted filename containing path traversal sequences or an absolute path to the POST uploads session endpoint, which constructs the destination path without sanitization in save_upload_file, causing file write and cleanup operations to target attacker-chosen paths on the server filesystem."
    }
  ],
  "lastModified": "2026-07-14T22:17:27.283",
  "sourceIdentifier": "disclosure@vulncheck.com"
}