CVE-2026-79707: Google Cloud Agent Development Kit Adk

High severity, CVSS 8.7. EPSS: 0.7% chance of exploitation in the next 30 days.

A Path Traversal vulnerability in the builder endpoint in Google Cloud Agent Development Kit (ADK) versions 1.9.0 through 1.21.0 on Python allows an unauthenticated remote attacker to read arbitrary files using a crafted file_path query parameter.

Affected products

• Google Cloud Agent Development Kit Adk: from 1.9.0, before 1.22.0 (fixed in 1.22.0)

Published 2026-09-04. Last modified 2026-09-08.