Vulnerability · Published Sep 28, 2026 · Assigned by GoogleCloud
CVE-2026-19759Incorrect Authorization in Application Integration allows Internal Stubby RPC Execution
Critical 9.4
In plain English
A critical-severity incorrect authorization in Application Integration from Google Cloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Official description
An Incorrect Authorization vulnerability in the task configuration in Google Cloud Application Integration versions prior to 2026-06-17 on Google Cloud Platform allows an authenticated Google Cloud user to execute arbitrary internal RPCs from inside Google's production network under a privileged identity using an internal-only task type. This vulnerability was patched on 17 June 2026, and no customer action is needed.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Google Cloud | Application Integration | 0 – before 2026-06-17 |
Weakness: CWE-863 · 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