CVE-2026-12717

Severity CVSS v4.0:

CRITICAL

Type:

CWE-74 Injection

Publication date:

26/08/2026

Last modified:

26/08/2026

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.<br /> <br /> <br /> This vulnerability was patched on 1 May 2026, and no customer action is needed.

Impact

Vector 4.0

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 CVSS v4.0 Severity and Metrics:

Base Score: 9.40 CRITICAL
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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): High
Integrity (SI): High
Availability (SA): High
Provider Urgency (U): Clear

Base Score 4.0

9.40

Severity 4.0

CRITICAL

References to Advisories, Solutions, and Tools

https://docs.cloud.google.com/support/bulletins#gcp-2026-056