Google Cloud Build Comment Control Bypass via Webhook Suppression (CVE-2026-19410) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-19410

Google Cloud Build Comment Control Bypass via Webhook Suppression

Answer in brief

CVE-2026-19410 records a Unknown severity vulnerability in Google Cloud Build Comment Control Bypass via Webhook Suppression. The current sources do not mark it as known exploited. The current feed maps Google Cloud/Google Cloud Build (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 31, 2026Updated Aug 31, 2026Source checked Aug 31, 2026First seen by HOL Aug 31, 2026Material review Aug 31, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Google Cloud/Google Cloud Build (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Google Cloud/Google Cloud Buildgeneric	>=0 <2026-06-24	2026-06-24

Recommended response

Check inventory. Check lockfiles and deployed manifests for Google Cloud/Google Cloud Build.
Review the reported fix. Update Google Cloud/Google Cloud Build to 2026-06-24 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 31, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 31, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 31, 2026

Sources and claim methodology

Source referencedocs.cloud.google.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.