CVE-2026-12710 PUBLISHED

Missing Authorization in Application Integration QueryEngineTask

Assigner: GoogleCloud
Reserved: 19.06.2026 Published: 22.08.2026 Updated: 22.08.2026

A Missing Authorization vulnerability in the QueryEngineTask of Google Cloud Application Integration (versions from 2025-04-28 to 2026-04-04) allows an external attacker to access sensitive internal data.

The issue was patched on April 4, 2026; no customer action is required.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/U:Clear
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Google Cloud
Product	Application Integration
Versions	Default: unaffected affected from 2025-04-28 to 2026-04-04 (excl.)

Solutions

Access is now restricted and the issue is resolved.

Integrations using QueryEngineTask for external traffic will return a PERMISSION_DENIED error. We recommend that customers remove or replace any QueryEngineTask (ASIS_TEMPLATE) tasks in their Application Integration workflows.

Credits

Guillaume Berleur reporter

References

https://cloud.google.com/application-integration/docs/release-notes#August_21_2026

Problem Types

CWE-862 Missing Authorization CWE

Impacts

CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs