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CVE-2026-81375

Estado: Pendiente de análisisAlta (8.3)—

A Confused Deputy vulnerability in the EmailTask component in Google Cloud Application Integration versions prior to 2026-06-30 on Google Cloud Platform allows an authenticated attacker to read and exfiltrate arbitrary Google-internal files via a crafted attachment file path.

This vulnerability was patched on 30 June 2026, and no customer action is needed.

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.

Vulnerabilidad en servicio remoto (Google Cloud) que requiere autenticación previa (PR:L). Permite lectura de archivos internos mediante ruta malformada. CWE-610 (Confused Deputy) confirma acceso no autorizado a recursos.

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

Data Loss PreventionVulnerability ScanningThreat Intelligence ProgramPrivileged Account ManagementNetwork SegmentationNetwork Intrusion Prevention

Tecnologías afectadas (1)

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

Google — Cloud Application IntegrationAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-81375",
  "cveTags": [
    {
      "tags": [
        "exclusively-hosted-service"
      ],
      "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
    }
  ],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-81375",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-28T13:04:42.553100Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 8.3,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/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:Clear",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "CLEAR",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "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": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "affectedData": [
        {
          "vendor": "Google Cloud",
          "product": "Application Integration",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2026-06-30",
              "versionType": "date"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-09-28T11:16:47.860",
  "references": [
    {
      "url": "https://docs.cloud.google.com/application-integration/docs/security-bulletins#gcp-2026-066",
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
    },
    {
      "url": "https://docs.cloud.google.com/support/bulletins#gcp-2026-066",
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "description": [
        {
          "lang": "en",
          "value": "CWE-610"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Confused Deputy vulnerability in the EmailTask component in Google Cloud Application Integration versions prior to 2026-06-30 on Google Cloud Platform allows an authenticated attacker to read and exfiltrate arbitrary Google-internal files via a crafted attachment file path.\n\n\nThis vulnerability was patched on 30 June 2026, and no customer action is needed."
    }
  ],
  "lastModified": "2026-09-29T21:36:39.547",
  "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
}