Paper/Archive/CVE-2026-19759

CVE-2026-19759

Google Cloud Application Integration — Incorrect Authorization in Application Integration allows Internal Stubby RPC Execution

EPSS 0.2%CVSS 9.4

critical.is priorityof 100

CVSS 9.4 (CNA)9.4 / 10 × 3028.2 Not in CISA KEV+300.0 EPSS percentile 14.5.145 × 202.9 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

Application Integration< 2026-06-172026-06-17CNA

Scores by source

GoogleCloud (CNA)9.4CVSS: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

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refdocs.cloud.google.com/support/bulletins#gcp-2026-064 refdocs.cloud.google.com/application-integration/docs/security-bulletins#gcp-2026-064