Paper/Archive/CVE-2026-81867

CVE-2026-81867

Google Cloud Application Integration — Deserialization of Untrusted Data in Application Integration allows Remote Code Execution

EPSS 0.4%CVSS 9.4

critical.is priorityof 100

CVSS 9.4 (CNA)9.4 / 10 × 3028.2 Not in CISA KEV+300.0 EPSS percentile 29.2.292 × 205.8 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

A Deserialization of Untrusted Data vulnerability in the JavaScript Task in Google Cloud Application Integration versions prior to 2026-06-28 on Google Cloud Platform allows an authenticated user with standard permissions to run arbitrary code on the shared production servers using a specially crafted script bypassing param guards. This vulnerability was patched on 28 June 2026, and no customer action is needed.

Affected

ProductAffectedFixed inSource

Application Integration< 2026-06-282026-06-28CNA

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-2026-065 refdocs.cloud.google.com/application-integration/docs/security-bulletins#gcp-2026-065