How serious is CVE-2026-3136?

This vulnerability has a CVSS score of 8.6 out of 10, classified as HIGH severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-3136?

Yes, proof-of-concept exploit code for CVE-2026-3136 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-3136?

CVE-2026-3136 affects google cloud build. Check the full CVE details for specific version information.

How do I fix CVE-2026-3136?

To remediate CVE-2026-3136, check for security patches from google. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-3136

High

|8.6

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

A remote attacker could execute arbitrary code in the build environment of Google Cloud Build due to improper authorization in the GitHub Trigger Comment Control feature. This vulnerability affected versions released before January 26, 2026, but it has since been patched, so no action is needed from users.

Technical 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.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

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/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

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$4,368($1K-$5K)

Vendor Response

Grade APatched in 2 days

Quick Information

Published

Mar 3, 2026

about 1 month ago

Last Modified

Mar 5, 2026

about 1 month ago

Vendor

google

Product

cloud build

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