CVE-2026-19759 PUBLISHED

Incorrect Authorization in Application Integration allows Internal Stubby RPC Execution

Assigner: GoogleCloud
Reserved: 13.08.2026 Published: 28.09.2026 Updated: 28.09.2026

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 9.4

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

CVSS 4.0

Product Status

Vendor	Google Cloud
Product	Application Integration
Versions	Default: unaffected affected from 0 to 2026-06-17 (excl.)

Credits

Gal Doron reporter

References

Problem Types

CWE-863 Incorrect Authorization CWE

Impacts

CAPEC-233 Privilege Escalation