Vulnerability · Published Aug 26, 2026 · Assigned by GoogleCloud
CVE-2026-12717Remote Code Execution in BigQuery Data Transfer Service via JDBC Connection String Injection
Critical 9.4
In plain English
A critical-severity injection in BigQuery Data Transfer Service from Google Cloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Google Cloud | BigQuery Data Transfer Service | 0 – before 2026-05-01 |
Weakness: CWE-74 · 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/U:Clear