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CVE-2026-93327— Unsafe Java Deserialization in Application Integration SubWorkflow tasks allows Remote Code Execution

Quick assessment

Affected
Google Cloud Application Integration
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Google Cloud 平台（GCP）上，2026 年 9 月 11 日之前版本的 Google Cloud Application Integration 服务中的 SubWorkflow 任务存在“不可信数据反序列化”漏洞。该漏洞允许已认证的攻击者利用恶意构造的序列化对象执行任意代码。 该漏洞已于 2026 年 9 月 11 日修复，客户无需采取任何操作。

CVSS 9.4 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-93327

Vulnerability Information
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Vulnerability Title
Unsafe Java Deserialization in Application Integration SubWorkflow tasks allows Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Cloud Application Integration 0 ~ 2026-09-11 -

II. Public POCs for CVE-2026-93327

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III. Intelligence Information for CVE-2026-93327

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Other References for CVE-2026-93327 (1)

IV. Related Vulnerabilities

Same product: Application Integration
Same vendor: Google Cloud
Same weakness: CWE-502