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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.

谷歌云平台中 Google Cloud BigQuery 数据迁移服务（Data Transfer Service）在 2026 年 5 月 1 日之前的版本中，其 CData JDBC 驱动程序集成存在一个“不当输入验证”漏洞。该漏洞允许经过身份验证的攻击者通过精心构造的 JDBC 连接字符串参数，在连接器容器中实现远程代码执行，并利用这些参数在租户项目中提升权限。 该漏洞已于 2026 年 5 月 1 日修复，客户无需采取任何操作。

CVSS 9.4 · Critical

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

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

V. Comments for CVE-2026-12717

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