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

CRITICAL 9.3CVE-2026-4810 · GHSA-rg7c-g689-fr3x · PYSEC-2026-344 · Published 13/04/2026 · updated 26/10/2026

Package	Affected versions	Patched versions
google-adk PyPI	`≥ 1.7.0, < 1.28.1≥ 2.0.0a1, < 2.0.0a2`	`1.28.12.0.0a2`

Description

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.

NVD description

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.

References

nvd.nist.gov/vuln/detail/CVE-2026-4810 · ADVISORY
google/adk-python · PACKAGE
google/adk-python · WEB
pypi.org/project/google-adk · PACKAGE
GitHub Advisory GHSA-rg7c-g689-fr3x · ADVISORY

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Package

Affected versions

Patched versions

google-adk

PyPI

≥ 1.7.0, < 1.28.1≥ 2.0.0a1, < 2.0.0a2

1.28.12.0.0a2

Description

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.

NVD description