GCS Bucket Squatting leading to RCE in Gemini Enterprise Agent Platform Python SDK (CVE-2026-19407) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-19407

GCS Bucket Squatting leading to RCE in Gemini Enterprise Agent Platform Python SDK

Answer in brief

CVE-2026-19407 records a Unknown severity vulnerability in GCS Bucket Squatting leading to RCE in Gemini Enterprise Agent Platform Python SDK. The current sources do not mark it as known exploited. The current feed maps Google Cloud/Gemini Enterprise Agent Platform SDK for Python (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 15, 2026Updated Sep 15, 2026Source checked Sep 15, 2026First seen by HOL Sep 15, 2026Material review Sep 15, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Google Cloud/Gemini Enterprise Agent Platform SDK for Python (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Google Cloud/Gemini Enterprise Agent Platform SDK for Pythongeneric	>=1.16.0 <1.165.1	1.165.1

Recommended response

Check inventory. Check lockfiles and deployed manifests for Google Cloud/Gemini Enterprise Agent Platform SDK for Python.
Review the reported fix. Update Google Cloud/Gemini Enterprise Agent Platform SDK for Python to 1.165.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 15, 2026

Sources and claim methodology

Source referencedocs.cloud.google.com

Upstream source description

Bucket Squatting in Google Cloud Gemini Enterprise Agent Platform SDK for Python versions prior to 1.166.1 allows an attacker to achieve Remote Code Execution (RCE) and tenant-project token theft.

Quoted source text, attributed separately from HOL analysis.