Nuclei

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Output—per 1M tokens

Context—tokens

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About

Nuclei is ranked #12 of 31 in vulnerability scanning software on Inferse. It runs on Linux, macOS, Self-hosted, Windows. There is a free plan.

Compared on vulnerability scanning software

Free plan: Yesnuclei.projectdiscovery.io

Facts

Purpose: Nuclei is an open-source vulnerability scanner that probes applications, infrastructure, cloud platforms, and networks using YAML templates.docs.projectdiscovery.io · 3 Oct 2026
Template library: The overview says Nuclei has more than 6,500 community-contributed templates for detecting real-world vulnerabilities and attack vectors.docs.projectdiscovery.io · 3 Oct 2026
Scanning features: Nuclei supports bulk and parallel scans, multiple target formats, customizable templates, and inclusion and exclusion filters.docs.projectdiscovery.io · 3 Oct 2026
Protocols: The FAQ lists HTTP, DNS, TCP, headless, JavaScript, code, and file modules.docs.projectdiscovery.io · 3 Oct 2026
Integrations: Nuclei can run in CI/CD with GitHub Actions and export SARIF results to GitHub Code Scanning.docs.projectdiscovery.io · 3 Oct 2026
Cloud connection: The FAQ says Nuclei can connect to ProjectDiscovery Cloud Platform to view scans.docs.projectdiscovery.io · 3 Oct 2026
Who it is for: The maker names security engineers and analysts, red teams, DevOps teams, bug bounty hunters, and penetration testers as Nuclei users.docs.projectdiscovery.io · 3 Oct 2026
License: Nuclei is distributed under the MIT License.docs.projectdiscovery.io · 3 Oct 2026
Safety limit: The FAQ warns that some templates can fuzz or take actions that may cause denial of service, and says these templates are tagged and excluded from default scans.docs.projectdiscovery.io · 3 Oct 2026
Installation: The maker provides installation options through Go, Homebrew, Docker, GitHub, downloadable binaries, and Helm.docs.projectdiscovery.io · 3 Oct 2026
Maintenance: The FAQ says Nuclei is actively maintained by ProjectDiscovery and generally releases every two weeks.docs.projectdiscovery.io · 3 Oct 2026
Support: The FAQ directs users with questions or issues to the ProjectDiscovery Discord server or GitHub.docs.projectdiscovery.io · 3 Oct 2026
Stability: The SDK documentation says Nuclei has no LTS or stable version and that breaking changes can be expected during active development.docs.projectdiscovery.io · 3 Oct 2026
Service deployment: The maker says Nuclei is primarily a standalone CLI tool and warns that running it as a service may pose security risks.docs.projectdiscovery.io · 3 Oct 2026
Purpose: Nuclei is a vulnerability scanner for probing applications, infrastructure, cloud platforms, and networks using YAML templates.docs.projectdiscovery.io · 4 Oct 2026
Templates: Users can run community templates or create custom templates to define security checks.docs.projectdiscovery.io · 4 Oct 2026
Scanning features: The overview lists bulk and parallel scanning, customizable templates, target filters, and configurable output formats.docs.projectdiscovery.io · 4 Oct 2026
Protocols: The documentation lists support for protocols including TCP, DNS, HTTP, and files.docs.projectdiscovery.io · 4 Oct 2026
Authentication: Nuclei supports authentication mechanisms including HTTP basic authentication and JWT token authentication.docs.projectdiscovery.io · 4 Oct 2026
CI/CD: Nuclei can be integrated into CI/CD pipelines for automated security testing and regression checks.docs.projectdiscovery.io · 4 Oct 2026
Integrations: The project README lists Jira, Splunk, GitHub, Elastic, and GitLab integrations.github.com · 4 Oct 2026
Template review: ProjectDiscovery says public templates are reviewed and signed by its template team before distribution.projectdiscovery.io · 4 Oct 2026
Template safety: The maker’s template review article says templates are checked for non-destructive, read-only requests and independently validated before merge.projectdiscovery.io · 4 Oct 2026
Installation: The official installation guide lists Go, Homebrew, Docker, GitHub, binary, and Helm installation methods.docs.projectdiscovery.io · 4 Oct 2026
Intended users: The documentation identifies security engineers, red teams, DevOps teams, bug bounty hunters, and penetration testers as users.docs.projectdiscovery.io · 4 Oct 2026
Usage limitation: The README cautions that the project is in active development and releases may introduce breaking changes.github.com · 4 Oct 2026
Support: The open-source page says maintainers answer questions in Discord and template requests can be filed as GitHub issues.projectdiscovery.io · 4 Oct 2026