ZeroDay.cloud
9-10 December 2026 · Black Hat Europe

ZeroDay Cloud 2026

Wiz Research presents

- The Cloud Hacking Competition -

Join the world's top researchers in a competition to find zero-day vulnerabilities in core open-source software powering the cloud. Put your skills to the test, win huge prizes from our $6.5M prize pool, and help make the cloud a safer place.

Submit your exploit by Tuesday, 1 December 2026 at 17:00 GMT

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In partnership with:

  • AWS
  • Google Cloud
  • Microsoft

The Rules

Time and place: Black Hat Europe 2026, 9–10 December, ExCeL London UK

Targets & Payouts

Submitted exploits should result in total compromise of the target, meaning a 0-click unauthenticated Remote Code Execution (RCE) vulnerability, unless specified otherwise. For detailed setup information, see our official GitHub repository.

AI

LiteLLM

The universal gateway for managing cloud-based LLMs.

$40,000

Unauthenticated RCE (pre-auth)

vLLM

Powers fast LLM endpoints in the cloud.

$40,000

NVIDIA Container Toolkit

Enables GPU access for containerized cloud workloads.

Sponsored by NVIDIA

$40,000

Container escape

Containers & Virtualization

Exploits in this section should result in a full Container/VM Escape. This will be tested by executing a predefined binary located on the host machine.

Docker

The industry standard for running containers.

$30,000

Container escape: user-supplied image

$50,000

Container escape: arbitrary image (no kernel exploit)

Containerd

The industry standard for running containers.

$30,000

Container escape: user-supplied image

$50,000

Container escape: arbitrary image (no kernel exploit)

Ubuntu Kernel

The Linux kernel underlying Ubuntu cloud workloads.

$20,000

gVisor

Application kernel for secure container isolation in cloud environments.

$200,000

Firecracker

Secure microVM powering isolated cloud-native workloads.

$200,000

Databases

Database targets are pre-auth only: remote code execution without credentials against services with authentication enabled.

Redis

Provides high-speed caching for cloud apps.

$100,000

Unauthenticated RCE (pre-auth)

PostgreSQL

Open-source relational database powering cloud applications.

$100,000

Unauthenticated RCE (pre-auth)

MariaDB

Popular managed database engine.

$100,000

Unauthenticated RCE (pre-auth)

Kubernetes & Cloud-Native

Fluent Bit

The lightweight standard for log aggregation across clusters.

$20,000

Grafana

The unified observability dashboard for Kubernetes.

$10,000

Authenticated RCE

$40,000

Unauthenticated RCE (pre-auth)

Kubelet Server

Manages Pods on each Kubernetes Node.

$40,000

Prometheus

The cloud-native standard for metrics and alerting.

$40,000

K8s API Server

The central control plane for Kubernetes clusters.

$80,000

Web Frameworks

WordPress

The leading Content Management System for scalable web publishing.

$80,000

React

Component-based library for building dynamic user interfaces.

$80,000

Next.js

React framework for production-grade, server-rendered cloud applications.

$80,000

FastAPI

High-performance Python framework for building asynchronous cloud APIs.

$40,000

Springboot

Enterprise-grade Java framework for deploying robust cloud microservices.

$40,000

Web Servers

Nginx

The industry standard for web serving, reverse proxying, and ingress.

$300,000

Apache2

The industry standard HTTP server for foundational cloud infrastructure.

$150,000

Apache Tomcat

Runs enterprise Java applications in the cloud.

$75,000

Envoy

Manages microservice traffic in service mesh environments.

$50,000

DevOps & Automation

Apache Airflow

Orchestrates and schedules data workflows in the cloud.

$40,000

Unauthenticated RCE (pre-auth)

Frequently Asked Questions

Anyone over the age of majority in their country/state of residence can participate. Teams of 2–5 members or individual participants may enter. Employees of Wiz, its affiliates, government officials and public sector employees, and partner companies (AWS, Google, Microsoft) cannot participate. Participants cannot be residents of embargoed or sanctioned countries (e.g., Russia, China, Iran, North Korea, Cuba, Sudan, Syria, Libya, Lebanon, or restricted regions like Crimea, Donetsk, etc.). If competing as part of a company, only one individual or one team can represent that company, and you must have proper authorization from your employer to register and bind the company to the contest rules. For complete eligibility requirements, please review the full contest rules.

Think you can find the next zero-day?