CVE-2026-19410
Google Cloud Build Comment Control Bypass via Webhook Suppression
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Google Cloud Build Comment Control Bypass via Webhook Suppression
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.
- Record
CVE-2026-19410- CVSS 4.0
- 9.4 Critical
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-367, CWE-345
- Updated
- 2026-11-02
EUVDEUVD-2026-68433
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.
- Record
EUVD-2026-68433- CVSS 4.0
- 9.4 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q4ww-hvh7-426w
An Incorrect Authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build...
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.
- Record
GHSA-q4ww-hvh7-426w- CVSS 4.0
- 9.4 Critical
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear - Weakness
- CWE-345
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-19410- CVSS 4.0
- 9.4 Critical
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear - Weakness
- CWE-345, CWE-367
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-19410 is a critical vulnerability (CVSS 9.4) in Google Cloud Build, published August 31, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.