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Critical 9.4Published Aug 31, 2026

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

Updated under an hour ago ()

Does this affect you?

It affects Google Cloud Build. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.4 CRITICAL (v4.0, CNA)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
Weakness (CWE)
CWE-367, CWE-345
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GoogleCloud
NVD analysis
Awaiting Analysis
Record last updated
Aug 31, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Google Cloud Google Cloud Build
google_cloud:build (from the name)
before 2026-06-24
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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