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The DecoderJuly 29, 2026· 1 min read

OpenAI open-sources Codex Security CLI to help developers find and fix vulnerabilities from the command line

OpenAI has released an open-source tool called Codex Security CLI to help developers find and fix vulnerabilities in their code repositories. This tool automatically detects and fixes security flaws, making it easier for developers to keep their code secure.

What happened

OpenAI has made its internal security tool, previously known as 'Aardvark', available to the public as Codex Security CLI. This CLI can automatically detect and fix vulnerabilities in code repositories, and has already helped fix over 3,000 critical security flaws. The tool is designed to be used from the command line, making it easy for developers to integrate into their workflow.

Why it matters

As cyberattacks become more automated, having AI-powered defense tools like Codex Security CLI can help developers stay ahead of potential threats. This tool can save developers time and effort by automatically detecting and fixing vulnerabilities, allowing them to focus on other tasks. For operational businesses, this means reduced risk of security breaches and potential downtime.

The takeaway

You can use Codex Security CLI to automate vulnerability detection and fixing in your code repositories, helping to keep your business secure and reducing the risk of security breaches.

Read the original at The Decoder

Our plain-English take, written from public reporting for operational business owners. Always read the original for full context.

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