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CVE-2026-87899

Estado: Pendiente de análisisCrítica (9.4)—

Execution with unnecessary privileges in cPanel allows remote authenticated users to execute arbitrary code with root privileges.

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 AV:N/PR:L sin UI indica acceso remoto autenticado a servicio vulnerable (cPanel). CWE-250 (ejecución con privilegios innecesarios) permite ejecutar código arbitrario como root tras explotación de servicio remoto.

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

Threat Intelligence ProgramExecution PreventionApplication Isolation and SandboxingExploit ProtectionUpdate SoftwareVulnerability Scanning

Tecnologías afectadas (1)

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

Cpanel — CpanelAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-87899",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-87899",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-23T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "support@hackerone.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 9.4,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "WebPros",
          "product": "cPanel",
          "versions": [
            {
              "status": "affected",
              "version": "11.120.0.0",
              "lessThan": "11.134.0.57",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "11.136.0.0",
              "lessThan": "11.136.0.41",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "11.138.0.0",
              "lessThan": "11.138.0.8",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "11.134.0.57",
              "lessThan": "11.134.0.57",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "11.136.0.41",
              "lessThan": "11.136.0.41",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "11.138.0.8",
              "lessThan": "11.138.0.8",
              "versionType": "semver"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-09-23T20:17:20.480",
  "references": [
    {
      "url": "https://support.cpanel.net/hc/en-us/articles/43591715125271",
      "source": "support@hackerone.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-250"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Execution with unnecessary privileges in cPanel allows remote authenticated users to execute arbitrary code with root privileges."
    }
  ],
  "lastModified": "2026-09-24T21:16:28.120",
  "sourceIdentifier": "support@hackerone.com"
}