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CVE-2026-4764

Full vulnerability record from the local CVENow database.

Description

A Missing Authorization vulnerability in the playbook import functionality in Dialogflow CX on Google Cloud Platform allows an authenticated user with specific roles to escalate privileges and potentially take over a GCP project using a maliciously crafted playbook import. This vulnerability was patched on 15 March 2026, and no customer action is needed.

Severity
CRITICAL
CVSS score
9.4 (v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
f45cbf4e-4146-4068-b7e1-655ffc2c548c
Published
2026-06-11 12:16:31.620000
Last modified
2026-10-26 11:10:00.157000
View original CVE JSON
{
  "id": "CVE-2026-4764",
  "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
  "published": "2026-06-11T12:16:31.620",
  "lastModified": "2026-10-26T11:10:00.157",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [
    {
      "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "tags": [
        "exclusively-hosted-service"
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Missing Authorization vulnerability in the playbook import functionality in Dialogflow CX on Google Cloud Platform allows an authenticated user with specific roles to escalate privileges and potentially take over a GCP project using a maliciously crafted playbook import.\n\n\nThis vulnerability was patched on 15 March 2026, and no customer action is needed."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de autorización faltante en la funcionalidad de importación de playbooks en Dialogflow CX en Google Cloud Platform permite a un usuario autenticado con roles específicos escalar privilegios y potencialmente tomar el control de un proyecto de GCP utilizando una importación de playbook creada con fines maliciosos.\n\nEsta vulnerabilidad fue parcheada el 15 de marzo de 2026, y no se requiere ninguna acción por parte del cliente."
    }
  ],
  "affected": [
    {
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "affectedData": [
        {
          "vendor": "Google Cloud",
          "product": "Dialogflow CX",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "2026-03-15",
              "versionType": "date",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "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:Clear",
          "baseScore": 9.4,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "subAvailabilityImpact": "HIGH",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "CLEAR"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-06-11T12:40:57.930654Z",
          "id": "CVE-2026-4764",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://docs.cloud.google.com/dialogflow/docs/release-notes#May_07_2026",
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
    }
  ]
}