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Vulnerability Found in OpenAI's ChatGPT Atlas Browser

10/28/2025

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Summary

Story summary

LayerX Security identifies a vulnerability in OpenAI's ChatGPT Atlas browser that could enable remote code execution.
The Cross-Site Request Forgery (CSRF)-based exploit hijacks authenticated sessions.
Atlas blocks 5.8% of phishing, versus 47–53% for traditional browsers.
OpenAI is investigating the issue now.
Users should limit sensitive activities on Atlas and monitor the browser's memory for unauthorized actions.

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Story summary

LayerX Security identifies a vulnerability in OpenAI's ChatGPT Atlas browser that could enable remote code execution.
The Cross-Site Request Forgery (CSRF)-based exploit hijacks authenticated sessions.
Atlas blocks 5.8% of phishing, versus 47–53% for traditional browsers.
OpenAI is investigating the issue now.
Users should limit sensitive activities on Atlas and monitor the browser's memory for unauthorized actions.