CVE-2026-3136Google Cloud Build Comment Control Bypass
Updated under an hour ago ()
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It affects Google Cloud Cloud Build and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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
- 8.6 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-863
- 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
- Analyzed
- Record last updated
- Mar 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Google Cloud Cloud Build google_cloud:cloud_build (from the name) | before 1/26/2026 | CNA record |
google cloud_build google:cloud_build | before 2026-1-26 | NVD |
References
- https://docs.cloud.google.com/build/docs/release-notes#March_03_2026release-notes
The CVE record on cve.org NVD's entry
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.