CVE-2026-4810 Remote Code Execution in Google Agent Development Kit (ADK)
Unauthenticated remote attackers can execute arbitrary code on servers hosting the Google Agent Development Kit due to missing authentication and code injection flaws.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-4810?
CVE-2026-4810 is a critical code injection vulnerability in Google Cloud Agent Development Kit (ADK), published on 13 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-4810?
5 open source packages ship an affected version, including google-adk.
| Package | Affected | Fixed in |
|---|---|---|
google-adk PyPI | From 1.7.0 | 1.28.1, 2.0.0a2 |
google-adk PyPI | From 1.7.0 | 1.28.1 |
google-adk PyPI | From 1.7.0 | 1.28.1 |
google-adk PyPI | From 2.0.0a1 | 2.0.0a2 |
google-adk PyPI | From 2.0.0a1 | 2.0.0a2 |
How do I fix CVE-2026-4810?
Upgrade google-adk to a fixed version for your release line: 1.28.1 or 2.0.0a2.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-4810 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4810 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-rg7c-g689-fr3x, PYSEC-2026-344.