CVE-2026-3136

Google Cloud Build Comment Control Bypass

CVSS 8.6 HIGHEPSS 0.4%CWE-863

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Clear

Affected products

Google Cloud · Cloud Build

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References

https://docs.cloud.google.com/build/docs/release-notes#March_03_2026