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OpenAIJuly 28, 2026

Codex Security

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Security
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Code Analysis

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OpenAI Releases Codex Security: An Open-Source CLI and TypeScript SDK to Find, Validate, and Fix Security Vulnerabilities in Your Code

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OpenAI Releases Codex Security: An Open-Source CLI and TypeScript SDK to Find, Validate, and Fix Security Vulnerabilities in Your Code

OpenAI has launched Codex Security, a new suite of tools including a CLI and TypeScript SDK designed to identify, validate, and remediate security vulnerabilities.

### TL;DR

Codex Security is an application security agent designed to help development teams identify, validate, and remediate vulnerabilities within their codebases. It provides both a CLI and a TypeScript SDK to scan repositories, review changes, and propose actionable fixes for security issues.

Key Insights & Metrics

Pricing
The CLI is free to download, but you pay for the OpenAI model usage (via API tokens or a ChatGPT subscription) required to actually run the scans
Cost structure
Version
0.1.1
Current release version
Hardware
Node.js 22 or later, Python 3.10 or later, and access to Codex Security
Compute requirements
Category
Paid
Licensing model
Region
United States
Primary region

Key Features

  • Automated vulnerability scanning for repositories and scoped folders
  • AI-powered validation of findings to reduce false positives
  • Actionable patch suggestions for identified security issues
  • CI/CD integration via TypeScript SDK and CLI
  • Repository-specific threat modeling and context-aware analysis

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