---
id: "CVE-2026-93327"
kind: "vulnerability"
aliases: ["CVE-2026-93327"]
title: "Google Cloud Application Integration: SubWorkflow task lets an authenticated user run code"
severity: "critical"
cvss: 9.4
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "Application Integration", "fixed": ["2026-09-11"], "affected": "< 2026-09-11", "ecosystem": "vendor"}]
ecosystems: []
tags: ["application-integration", "auth-required", "google-cloud", "managed-service", "vendor"]
not_affected_if: ["auth-required", "managed-hosting", "managed-service-already-patched", "patched-by-vendor"]
published_at: "2026-10-30T15:16:56+00:00"
first_seen_at: "2026-10-30T15:31:12+00:00"
updated_at: "2026-10-30T15:33:38+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93327", "first_seen_at": "2026-10-30T15:31:12+00:00"}, {"source": "analyst", "url": null, "first_seen_at": "2026-10-30T15:33:38+00:00"}]
---

# Google Cloud Application Integration: SubWorkflow task lets an authenticated user run code

The SubWorkflow task in Google Cloud Application Integration deserializes untrusted data without checking it, so a crafted serialized object can run code. An attacker needs an authenticated account to send it.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Application Integration affected < 2026-09-11 fixed 2026-09-11

## How to check

No exposure check needed: it is a managed service patched by Google on 2026-09-11. Optionally review who has permission to create or edit integrations (IAM) and the integration change history from before that date.

## Fix

Nothing to install. Google patched the managed Application Integration service on 2026-09-11 (GCP-2026-074); no customer action required.

## Timeline

- 2026-10-30T15:31:12+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-93327
- 2026-10-30T15:33:38+00:00 analyst — Read Google Cloud bulletin GCP-2026-074 (published 2026-10-28): service-side fix deployed 2026-09-11, no customer action. No exploitation or PoC reported by the vendor; not searched on X (low-signal managed-service issue).

## Documents

- [advisory] Google Cloud Security Bulletins: GCP-2026-074 https://docs.cloud.google.com/support/bulletins

## From the sources

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.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_