CVE-2026-19759— Incorrect Authorization in Application Integration allows Internal Stubby RPC 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（2026年6月17日之前的版本）中存在的任务配置“不正确授权”漏洞，允许经过身份验证的 Google Cloud 用户使用仅限内部的任务类型，从 Google 生产网络内部以特权身份执行任意内部远程过程调用（RPC）。 该漏洞已于2026年6月17日修复，用户无需采取任何操作。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-19759
Vulnerability Information
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Vulnerability Title
Incorrect Authorization in Application Integration allows Internal Stubby RPC Execution
Source: CVE Program / CVE List V5
Vulnerability Description
An Incorrect Authorization vulnerability in the task configuration in Google Cloud Application Integration versions prior to 2026-06-17 on Google Cloud Platform allows an authenticated Google Cloud user to execute arbitrary internal RPCs from inside Google's production network under a privileged identity using an internal-only task type.
This vulnerability was patched on 17 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
授权机制不正确
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Google Cloud | Application Integration | 0 ~ 2026-06-17 | - |
|
II. Public POCs for CVE-2026-19759
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-19759 (2)
Same Patch Batch · Google Cloud · 2026-09-28 · 3 CVEs total
| CVE-2026-81867 | 9.4 CRITICAL | Deserialization of Untrusted Data in Application Integration allows Remote Code Execution |
| CVE-2026-81375 | 8.3 HIGH | Confused Deputy in Application Integration allows Internal File Read |
IV. Related Vulnerabilities
Same product: Application Integration
-
CVE-2026-81375
Confused Deputy in Application Integration allows Internal F -
CVE-2026-81867
Deserialization of Untrusted Data in Application Integration -
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-2026-81867
Deserialization of Untrusted Data in Application Integration -
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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 -
CVE-2026-13745
Arbitrary Code Execution in Gemini CLI via Untrusted Local .
Same weakness: CWE-863
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Apache Roller: OAuth authorization endpoint trusts request-s -
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Obot before v0.23.0 Authentication Bypass via OAuth Dynamic -
CVE-2026-101056
Cloudreve before 4.16.1 Authentication Bypass via Cached Con -
CVE-2026-101048
Cloudreve before 4.17.0 SSRF via Admin.Read OAuth scope
V. Comments for CVE-2026-19759
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