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CVE-2026-19410— Google Cloud Build Comment Control Bypass via Webhook Suppression

Quick assessment

Affected
Google Cloud Google Cloud Build
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 Build是美国Google公司的一款云端持续集成与持续交付服务。 Google Cloud Build 2026-06-24之前版本存在安全漏洞，该漏洞源于GitHub Trigger Comment Control中的授权不当，允许远程攻击者通过webhook抑制在构建环境中执行未审阅代码。

CVSS 9.4 · Critical EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Google Cloud Google Cloud Build < 2026-06-24 affected
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I. Basic Information for CVE-2026-19410

Vulnerability Information
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Vulnerability Title
Google Cloud Build Comment Control Bypass via Webhook Suppression
Source: CVE Program / CVE List V5
Vulnerability Description
An Incorrect Authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-06-24 on Google Cloud Platform allows a remote attacker to execute unreviewed code in the build environment using webhook suppression. This vulnerability was patched on 24 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:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
Google Cloud Build 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Cloud Build是美国Google公司的一款云端持续集成与持续交付服务。 Google Cloud Build 2026-06-24之前版本存在安全漏洞，该漏洞源于GitHub Trigger Comment Control中的授权不当，允许远程攻击者通过webhook抑制在构建环境中执行未审阅代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Cloud Google Cloud Build 0 ~ 2026-06-24 -

II. Public POCs for CVE-2026-19410

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III. Intelligence Information for CVE-2026-19410

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Other References for CVE-2026-19410 (1)

IV. Related Vulnerabilities

Same vendor: Google Cloud
Same weakness: CWE-367