projectdiscovery / nuclei

`English` •
 `中文` •
 `Korean` •
 `Indonesia` •
 `Spanish` •
 `日本語` •
 `Portuguese` •
 `Türkçe` 
**Nuclei is a modern, high-performance vulnerability scanner that leverages simple YAML-based templates. It empowers you to design custom vulnerability detection scenarios that mimic real-world conditions, leading to zero false positives.**
- Simple YAML format for creating and customizing vulnerability templates.
- Contributed by thousands of security professionals to tackle trending vulnerabilities.
- Reduce false positives by simulating real-world steps to verify a vulnerability.
- Ultra-fast parallel scan processing and request clustering.
- Integrate into CI/CD pipelines for vulnerability detection and regression testing.
- Supports multiple protocols like TCP, DNS, HTTP, SSL, WHOIS, JavaScript, Code and more.
- Integrate with Jira, Splunk, GitHub, Elastic, GitLab.
## Table of Contents
- **`Get Started`**
 - _`1. Nuclei CLI`_
 - _`2. Pro and Enterprise Editions`_
- **`Documentation`**
 - _`Command Line Flags`_
 - _`Single target scan`_
 - _`Scanning multiple targets`_
 - _`Network scan`_
 - _`Scanning with your custom template`_
 - _`Connect Nuclei to ProjectDiscovery_`_
- **`Nuclei Templates, Community and Rewards`** 💎
- **`Our Mission`**
- **`Contributors`** ❤
- **`License`**
## Get Started
### **1. Nuclei CLI**
_Install Nuclei on your machine. Get started by following the installation guide **`here`**. Additionally, we provide **`a free cloud tier`** that comes with generous monthly free limits:_
- Store and visualize your vulnerability findings
- Write and manage your Nuclei templates
- Access the latest Nuclei templates
- Discover and store your targets
> [!Important]
> |**This project is in active development**. Expect breaking changes with releases. Review the release changelog before updating.|
> |:--------------------------------|
> | This project is primarily built to be used as a standalone CLI tool. **Running nuclei as a service may pose security risks.** It's recommended to use with caution and additional security measures. |
### **2. Pro and Enterprise Editions**
_For security teams and enterprises, we provide a cloud-hosted service built on top of Nuclei OSS, fine-tuned to help you continuously run vulnerability scans at scale with your team and existing workflows:_
- 50x faster scans
- Large scale scanning with high accuracy
- Integrations with cloud services (AWS, GCP, Azure, Cloudflare, Fastly, Terraform, Kubernetes)
- Jira, Slack, Linear, APIs and Webhooks
- Executive and compliance reporting
- Plus: Real-time scanning, SAML SSO, SOC 2 compliant platform (with EU and US hosting options), shared team workspaces, and more
- We're constantly **`adding new features`**!
- **Ideal for:** Pentesters, security teams, and enterprises
**`Sign up to Pro`** or **`Talk to our team`** if you have a large organization and complex requirements.
## Documentation
Browse the full Nuclei **`documentation here`**. If you’re new to Nuclei, check out