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CVE-2026-93985

Estado: AplazadaCrítica (9.4)—

OpenPanel js-runtime through 2.3.0 contains a sandbox escape vulnerability in the JavaScript webhook template validator that fails to block computed member access to constructor chains. Attackers with project write access can create webhook templates using computed property notation to access Function constructor and execute arbitrary code in the worker process.

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.

Acceso autenticado (PR:L) a servicio remoto (AV:N) sin interacción. Ejecución arbitraria de código en proceso worker mediante escape de sandbox en validador de plantillas webhook.

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

Privileged Account ManagementDisable or Remove Feature or ProgramVulnerability ScanningThreat Intelligence ProgramRestrict Web-Based ContentNetwork Segmentation

Tecnologías afectadas (1)

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

Openpanel — Js-runtimeAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-93985",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-93985",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
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              "automatable": "no"
            },
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              "technicalImpact": "total"
            }
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          "version": "2.0.3",
          "timestamp": "2026-09-21T15:32:34.101291Z"
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    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
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      }
    ],
    "cvssMetricV40": [
      {
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        "cvssData": {
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          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
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          "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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  "affected": [
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      "affectedData": [
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          "product": "openpanel",
          "versions": [
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              "version": "0",
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  "published": "2026-09-19T12:16:41.873",
  "references": [
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  "vulnStatus": "Deferred",
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    {
      "lang": "en",
      "value": "OpenPanel js-runtime through 2.3.0 contains a sandbox escape vulnerability in the JavaScript webhook template validator that fails to block computed member access to constructor chains. Attackers with project write access can create webhook templates using computed property notation to access Function constructor and execute arbitrary code in the worker process."
    }
  ],
  "lastModified": "2026-10-02T15:17:13.063",
  "sourceIdentifier": "disclosure@vulncheck.com"
}