projectdiscovery

    projectdiscovery/nuclei

    Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

    32.6K stars
    4.0K forks
    32.6K GitHub watchers
    Updated Nov 6, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    1 release in the last 90 days, the latest 89 days ago, with 285 contributors on GitHub.

    Peaked at #17 in the weekly ranking the week of Jul 19, its best in the past year.

    Use Cases & Benefits

    • Provides a fast, customizable vulnerability scanner using a simple YAML-based DSL for detecting security issues across applications, APIs, networks, DNS, and cloud configurations.
    • Enables collaborative, real-world vulnerability detection with ultra-fast parallel scanning and minimal false positives through customizable templates contributed by a global security community.
    • Use for integrating automated vulnerability scanning into CI/CD pipelines to detect and prevent regressions in application security before deployment.
    • Use for security teams to perform large-scale, high-accuracy scans across cloud environments and network infrastructures with support for multiple protocols and integrations.
    • Use for penetration testers to create and run custom detection scenarios simulating real attack vectors using flexible YAML templates and workflows.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    MIT

    Permissive: commercial use, modification and redistribution are allowed with attribution.

    Community files

    • README: present
    • Contributing guide: present
    • Code of conduct: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    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.

    Excerpt from the projectdiscovery/nuclei README on GitHub (MIT license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Aug 9: +6Aug 27: +20Sep 17: +77Sep 24: +28Sep 25: +9

    +2,238 stars over 90 days across 13 snapshot days; best day +77 on Sep 17.

    Forks

    4.0K+182

    Open issues

    92-10

    Compared with peers in Security

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth

    projectdiscovery/nuclei compared with Security repositories by stars, 7-day star growth, health score and last release
    RepositoryStars+7dHealthLast release
    cloudflare/security-audit-skill69.3K+10.7K75—
    vxcontrol/pentagi33.9K+7197536 days ago
    GyulyVGC/sniffnet42.3K+42275111 days ago
    soxoj/maigret39.9K+3326087 days ago
    Asymptote-Labs/agent-beacon3.4K+315751 day ago
    projectdiscovery/nuclei32.6K—6089 days ago
    Category median39.9K+42275—

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