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Nuclei

Nuclei is an open-source security scanner that helps organizations discover and understand their attack surface by mapping internet-exposed assets.

Free tierPrice verified 2026-10-03Visit site ↗
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Our verdict

Who it's for

Automate custom vulnerability detection and map internet-exposed assets at scale.

Who should look elsewhere

Learning curve

Pros

  • +Fast vulnerability scanner
  • +Template-based
  • +Open source
  • +Active community
  • +Good for security

Cons

  • −Learning curve
  • −False positives
  • −Template quality varies
  • −CLI focused
  • −Not for beginners

Key features

  • ✓Vulnerability scanner
  • ✓Template-based
  • ✓Fast scanning
  • ✓Custom templates
  • ✓API support
  • ✓Open source

Pricing

PlanPriceBillingNotes
Free$0monthOpen source; Security scanner; Template-based

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