CVE-2026-12717
An Improper Input Validation vulnerability in CData JDBC driver integration in Google Cloud BigQuery Data Transfer Service versions prior to 2026-05-01 on Google Cloud Platform allows an authenticated attacker to achieve remote code execution in the connector container and escalate privileges in the tenant project using crafted JDBC connection string parameters.
This vulnerability was patched on 1 May 2026, and no customer action is needed.
CVSS
- Versión: 4.0
- Vector: 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
- Puntuación base: 9.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.45%
- Percentil entre todas las CVEs puntuadas: 37
- Fecha de la puntuación: 5/10/2026
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.
- Explotación
T1210Exploitation of Remote Serviceslateral movement95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 % - Impacto secundario
T1068Exploitation for Privilege Escalationprivilege escalation85 % - Impacto secundario
T1078.004Cloud Accountsstealth · persistence · privilege escalation · initial access80 %
Acceso red con privilegios (PR:L), servicio remoto (BigQuery Data Transfer). RCE en contenedor + escalada de privilegios de tenant confirmados en descripción.
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
Tecnologías afectadas (2)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-74
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-12717",
"cveTags": [
{
"tags": [
"exclusively-hosted-service"
],
"sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
}
],
"metrics": {
"ssvcV203": [
{
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"ssvcData": {
"id": "CVE-2026-12717",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-08-26T19:03:13.673583Z"
}
}
],
"cvssMetricV40": [
{
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"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:Clear",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "CLEAR",
"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": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
"affectedData": [
{
"vendor": "Google Cloud",
"product": "BigQuery Data Transfer Service",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2026-05-01",
"versionType": "date"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-08-26T14:17:07.250",
"references": [
{
"url": "https://docs.cloud.google.com/support/bulletins#gcp-2026-056",
"source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
"description": [
{
"lang": "en",
"value": "CWE-74"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An Improper Input Validation vulnerability in CData JDBC driver integration in Google Cloud BigQuery Data Transfer Service versions prior to 2026-05-01 on Google Cloud Platform allows an authenticated attacker to achieve remote code execution in the connector container and escalate privileges in the tenant project using crafted JDBC connection string parameters.\n\n\nThis vulnerability was patched on 1 May 2026, and no customer action is needed."
}
],
"lastModified": "2026-08-31T18:50:00.053",
"sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
}