CVE-2026-4810
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability—
ProductGoogle-adk
PublishedApr 13, 2026
First seenApr 13, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- google-adk1.28.1, 2.0.0a2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| google-adkPyPI | 1.7.0 ≤ v < 1.28.1, 2.0.0a1 ≤ v < 2.0.0a2 | 1.28.1, 2.0.0a2 |
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