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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.

PUBLISHED Reserved 2026-02-24 | Published 2026-03-03 | Updated 2026-03-04 | Assigner GoogleCloud




HIGH: 8.6CVSS: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

Problem types

CWE-863 Incorrect Authorization (Permission Bypass)

Product status

Default status
unaffected

Any version before 1/26/2026
affected

Credits

inspector-ambitious reporter

References

docs.cloud.google.com/build/docs/release-notes

cve.org (CVE-2026-3136)

nvd.nist.gov (CVE-2026-3136)

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