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TI-2026-02708 Aliases CVE-2026-3136GHSA-p8rp-xfq6-8f8m

Google Cloud Build Comment Control Bypass

Priority LOW 39CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0039 33rd percentileScored 2026-11-07
Fix Fixed Cloud Build (Google Cloud): 1/26/2026

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleCloud Buildbefore 1/26/20261/26/2026Patch availableCNA
  • Cloud Build VendorGoogle Affected before 1/26/2026 Fixed in 1/26/2026 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:cloud_build:*:*:*:*:*:*:*:*before 2026-1-26VulnerableGoogle
  • cpe:2.3:a:google:cloud_build:*:*:*:*:*:*:*:* Versions before 2026-1-26 Vulnerable ·Google

Remediation

  • Fix · CNA Cloud Build (Google Cloud) Fixed in 1/26/2026

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3136
  2. 2026-10-03 Alias added: GHSA-p8rp-xfq6-8f8m

References

Sources