CVE-2026-19407 PUBLISHED

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

Assigner: GoogleCloud
Reserved: 10.08.2026 Published: 15.09.2026 Updated: 15.09.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Clear
CVSS Score: 7.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	Low
Attack Complexity	Low	Integrity	High	Integrity	Low
Attack Requirements	Present	Availability	High	Availability	Low
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Google Cloud
Product	Gemini Enterprise Agent Platform SDK for Python
Versions	Default: unaffected affected from 1.16.0 to 1.165.1 (excl.)

Credits

Ori Hadad reporter

References

https://docs.cloud.google.com/gemini-enterprise-agent-platform/release-notes#March_31_2026

Problem Types

CWE-330 Use of Insufficiently Random Values CWE

Impacts

CAPEC-154 Resource Location Spoofing