adk-pythonGHSA-rg7c-g689-fr3x

Google Agent Development Kit (ADK) has a Code Injection and Missing Authentication vulnerability

CVE-2026-4810 · Published Apr 13, 2026 · updated Jun 29, 2026

Critical

Fix: upgrade to 1.28.1 or later (2 fixed versions below)

A Code Injection and Missing Authentication vulnerability in Google Agent Development Kit (ADK) versions 1.7.0 (and 2.0.0a1) through 1.28.1 (and 2.0.0a2) on Python (OSS), Cloud Run, and GKE allows an unauthenticated remote attacker to execute arbitrary code on the server hosting the ADK instance.

This vulnerability was patched in versions 1.28.1 and 2.0.0a2.

Customers need to redeploy the upgraded ADK to their production environments. In addition, if they are running ADK Web locally, they also need to upgrade their local instance.

Affected versions

The source does not list versions here. See the source advisory for affected products and fixes.

Details and references

CVSS 4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Amber
Severity from: GitHub (reviewed advisory)
Weakness: CWE-306
Also known as: CVE-2026-4810, PYSEC-2026-344