CVE-2026-81867— Deserialization of Untrusted Data in Application Integration 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.
Google Cloud Application Integration 中在 2026 年 6 月 28 日之前版本存在的“不信任数据反序列化”漏洞，允许具有标准权限的已认证用户通过精心构造的脚本绕过参数防护，在共享的生产服务器上执行任意代码。 该漏洞已于 2026 年 6 月 28 日修复，用户无需采取任何行动。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-81867
Vulnerability Information
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Vulnerability Title
Deserialization of Untrusted Data in Application Integration allows Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability 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.
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 ~ 2026-06-28 | - |
|
II. Public POCs for CVE-2026-81867
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-81867 (2)
Same Patch Batch · Google Cloud · 2026-09-28 · 3 CVEs total
| CVE-2026-19759 | 9.4 CRITICAL | Incorrect Authorization in Application Integration allows Internal Stubby RPC Execution |
| CVE-2026-81375 | 8.3 HIGH | Confused Deputy in Application Integration allows Internal File Read |
IV. Related Vulnerabilities
Same product: Application Integration
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CVE-2026-81375
Confused Deputy in Application Integration allows Internal F -
CVE-2026-19759
Incorrect Authorization in Application Integration allows In -
CVE-2026-12710
Missing Authorization in Application Integration QueryEngine -
CVE-2025-0982
Sandbox Escape in Google Cloud Application Integration's Jav
Same vendor: Google Cloud
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CVE-2026-81375
Confused Deputy in Application Integration allows Internal F -
CVE-2026-19759
Incorrect Authorization in Application Integration allows In -
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GCS Bucket Squatting leading to RCE in Gemini Enterprise Age -
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SSRF in Gemini Enterprise Agent Platform App Builder -
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Arbitrary Code Execution in Gemini CLI via Untrusted Local .
Same weakness: CWE-502
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CVE-2026-82384
Apache Roller: Unauthenticated deserialization in the XML-RP -
CVE-2026-100846
MONAI before 1.5.2 Remote Code Execution via Pickle Deserial -
CVE-2026-100845
MONAI before 1.6.0 Remote Code Execution via NumpyReader -
CVE-2026-100843
MONAI before 1.6.0 Remote Code Execution via algo_from_pickl -
CVE-2026-100841
MONAI through 1.6.0 PersistentDataset Remote Code Execution
V. Comments for CVE-2026-81867
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