CVE-2026-12717: Google Cloud Bigquery Data Transfer Service

Critical severity, CVSS 9.4. EPSS: 0.5% chance of exploitation in the next 30 days.

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

• Google Cloud Bigquery Data Transfer Service: before 2026-05-01 (fixed in 2026-05-01)

Published 2026-08-26. Last modified 2026-08-31.