CVE-2026-4644: Google Cloud Integration Connectors

High severity, CVSS 8.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A Missing Authorization vulnerability in HTTP Connector in Google Cloud Integration Connectors versions prior to 2025-12-11 on Google Cloud Platform allows an authenticated user to escalate privileges and take over a Google Cloud Project using unauthorized service account attachment. This vulnerability was patched on 11 December 2025, and no customer action is needed.

Affected products

• Google Cloud Integration Connectors: before 2025-12-11 (fixed in 2025-12-11)

Published 2026-09-04. Last modified 2026-09-08.