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CVE-2026-12717— Remote Code Execution in BigQuery Data Transfer Service via JDBC Connection String Injection

Quick assessment

Affected
Google Cloud BigQuery Data Transfer Service
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google BigQuery Data Transfer Service是美国Google公司的一项数据传输服务。 Google BigQuery Data Transfer Service 2026-05-01之前版本存在输入验证错误漏洞，该漏洞源于输入验证不当，可能允许经过身份验证的攻击者利用特制的JDBC连接字符串参数在连接器容器中实现远程代码执行并提升租户项目中的权限。

CVSS 9.4 · Critical EPSS 0.62% · P50

Affected Version Matrix 1

VendorProduct Version RangeStatus
Google Cloud BigQuery Data Transfer Service < 2026-05-01 affected
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I. Basic Information for CVE-2026-12717

Vulnerability Information
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Vulnerability Title
Remote Code Execution in BigQuery Data Transfer Service via JDBC Connection String Injection
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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/U:Clear
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Google BigQuery Data Transfer Service 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google BigQuery Data Transfer Service是美国Google公司的一项数据传输服务。 Google BigQuery Data Transfer Service 2026-05-01之前版本存在输入验证错误漏洞，该漏洞源于输入验证不当，可能允许经过身份验证的攻击者利用特制的JDBC连接字符串参数在连接器容器中实现远程代码执行并提升租户项目中的权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Cloud BigQuery Data Transfer Service 0 ~ 2026-05-01 -

II. Public POCs for CVE-2026-12717

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III. Intelligence Information for CVE-2026-12717

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Vendor Advisories for CVE-2026-12717 (1)

IV. Related Vulnerabilities

Same vendor: Google Cloud
Same weakness: CWE-74