CVE-2026-19410

Google Cloud Build Comment Control Bypass via Webhook Suppression

Published Aug 31, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Google Cloud
Google Cloud cloud Build
Vendors & Products Google Cloud
Google Cloud cloud Build
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Google Cloud Build Comment Control Bypass via Webhook Suppression
Weaknesses CWE-345
CWE-367
References
Metrics cvssV4_0

{'score': 9.4, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GoogleCloud
Published
Updated
Aug 31, 2026, 11:18 AM
Reserved
Aug 10, 2026, 9:07 AM
Status
Awaiting Analysis
Published
Aug 31, 2026, 9:17 AM
Modified
Aug 31, 2026, 6:50 PM