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CVE-2026-81867

Critical

Description

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.

SeverityCritical
CVSS9.4
Exploit probability—
ProductApplication Integration
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update
  • Google Cloud Application Integration2026-06-28 or later

Affected products

ProductAffected versionsFixed in
Google Cloud Application Integrationv < 2026-06-282026-06-28

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