Remote Code Execution in BigQuery Data Transfer Service via JDBC Connection String Injection (CVE-2026-12717) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-12717

Remote Code Execution in BigQuery Data Transfer Service via JDBC Connection String Injection

Answer in brief

CVE-2026-12717 records a Unknown severity vulnerability in Remote Code Execution in BigQuery Data Transfer Service via JDBC Connection String Injection. The current sources do not mark it as known exploited. The current feed maps Google Cloud/BigQuery Data Transfer Service (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 26, 2026Updated Aug 26, 2026Source checked Aug 26, 2026First seen by HOL Aug 26, 2026Material review Aug 26, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Google Cloud/BigQuery Data Transfer Service (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Google Cloud/BigQuery Data Transfer Servicegeneric	>=0 <2026-05-01	2026-05-01

Recommended response

Check inventory. Check lockfiles and deployed manifests for Google Cloud/BigQuery Data Transfer Service.
Review the reported fix. Update Google Cloud/BigQuery Data Transfer Service to 2026-05-01 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 26, 2026

Sources and claim methodology

Source referencedocs.cloud.google.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.