CVE-2026-93327

Unsafe Java Deserialization in Application Integration SubWorkflow tasks allows Remote Code Execution

State: Published
Severity: 9.4 Critical
Published: Oct 30, 2026
Updated: Oct 30, 2026
Reserved: Sep 17, 2026

Description

A Deserialization of Untrusted Data vulnerability in the SubWorkflow task in Google Cloud Application Integration versions prior to 2026-09-11 on Google Cloud Platform allows an authenticated attacker to execute arbitrary code using a maliciously crafted serialized object.

This vulnerability was patched on 11 September 2026, and no customer action is needed.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	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	GoogleCloud

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Application IntegrationGoogle Cloud	before 2026-09-11Affected

References

https://docs.cloud.google.com/support/bulletins

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