CVE-2026-4810

CRITICAL NUCLEI

Remote Code Execution in Google Agent Development Kit (ADK)

Title source: cna

Exploitation Summary

CVE-2026-4810 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

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.

Nuclei Templates (1)

Google ADK-Python - Unauthenticated Builder Endpoint

CRITICALVERIFIEDby dwisiswant0

Shodan: title:"ADK" http.component:"uvicorn"

FOFA: body="ADK" && header="uvicorn"

References (1)

Core 1

Core References

https://github.com/google/adk-python/blob/main/CHANGELOG.md#1274-2026-03-26

View Writeup ZIP pw:eip

Scores

CVSS v4 9.3

EPSS 0.0355

EPSS Percentile 88.0%

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-306

Status published

Products (3)

Google Cloud/Agent Development Kit (ADK) 1.7.0 - 1.28.1

Google Cloud/Agent Development Kit (ADK) 2.0.0a1 - 2.0.0a2

pypi/google-adk 0 - 1.28.1PyPI

Published Apr 13, 2026

Tracked Since Apr 13, 2026