CodeQL (GitHub) logo

CodeQL (GitHub)

security
Semantic code analysis engine used for code scanning queries and security research free for public repos and part of GitHub Advanced Security for private code.
code-scanning security static-analysis
security
Category
Beginner
Difficulty
Active
Status
Web App
Type

What is CodeQL (GitHub)?

Discover how CodeQL (GitHub) can enhance your workflow

CodeQL lets you write queries that traverse code as data so you can detect whole vulnerability classes across large repositories. GitHub uses CodeQL to power code scanning on pull requests which helps teams catch issues before merge. Public repositories get scanning at no cost while private repositories access deeper controls as part of GitHub Advanced Security. Companies adopt CodeQL to hunt variant bugs enforce secure patterns and build internal rulepacks that codify past incidents. The query language composes well so security engineers can share libraries and keep findings precise and explainable. With CI integrations SARIF outputs and auto triage features CodeQL fits modern pipelines and makes results easy to route to owners for fixes.

Key Capabilities

What makes CodeQL (GitHub) powerful

Pull Request Checks

Add scanning to CI so risky flows fail early with precise messages that teach secure alternatives.

Implementation Level Professional

Reusable Libraries

Compose queries and packs that your org can reuse to enforce standards across languages.

Implementation Level Professional

Variant Analysis

Generalize a bug into a pattern and search fleets of repos to remove entire classes of issues.

Implementation Level Professional

SARIF and Dashboards

Export machine readable results to route owners track SLAs and brief stakeholders.

Implementation Level Intermediate

Key Features

What makes CodeQL (GitHub) stand out

  • Free code scanning for public repositories on GitHub dot com
  • Advanced Security brings enterprise features for private repos
  • Declarative query language to model flows and data dependencies
  • Extensive query packs and libraries maintained by community
  • CI integrations with SARIF outputs for routing and dashboards
  • Variant analysis to find bug families across services
  • Autofix suggestions and code review checks on pull requests
  • Documentation and workshops for security engineering teams

Use Cases

How CodeQL (GitHub) can help you

  • Gate pull requests with code scanning before merge
  • Build organization rulepacks based on past incidents
  • Run variant analysis to remove whole bug classes at once
  • Export SARIF to SIEM and dashboards for leadership views
  • Educate developers with precise fix examples in checks
  • Schedule repo wide scans to catch drift and regressions
  • Track time to remediation for compliance reporting
  • Share portable queries across languages and repos

Perfect For

app sec engineers dev leads and platform teams that need explainable static analysis free for public repos and governed features for private code

Tags

queries ci privacy protection

Plans & Pricing

Free / Contact sales

Get Started Update this tool

Visit official site for current pricing

Quick Information

Category security
Pricing Model Free plan
Last Updated 3/19/2026

Compare CodeQL (GitHub) with Alternatives

See how CodeQL (GitHub) stacks up against similar tools

CodeQL (GitHub) VS Anti-Cheat Expert ACE CodeQL (GitHub) VS Arthur AI CodeQL (GitHub) VS CalypsoAI

Frequently Asked Questions

How does pricing start?
Public repositories get code scanning at no cost while private repositories access features via GitHub Advanced Security licensing.
Which languages are supported?
CodeQL covers major languages with evolving query packs; see the docs for current matrices.
Can we write custom rules?
Yes build organization packs so checks reflect your frameworks and past incidents.
Will it slow CI?
Scans are incremental and configurable so teams balance depth and speed per repo.
How do we triage findings?
Use SARIF outputs code owners and auto triage to route issues to responsible teams quickly.

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