CVE-2026-3136
Critical
Description
An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-1-26 allows a remote attacker to execute arbitrary code in the build environment. This vulnerability was patched on 26 January 2026, and no customer action is needed.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Google Cloud Build
PublishedMar 3, 2026
First seenMar 3, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- google cloud_build2026-1-26 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| google cloud_build | v < 2026-1-26 | 2026-1-26 |
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