OpenAI has recently patched two critical security vulnerabilities affecting ChatGPT and the Codex software engineering agent. Detailed in reports from Check Point and BeyondTrust, these flaws involved a covert DNS-based data exfiltration channel in ChatGPT's Linux runtime and a command injection vulnerability in Codex related to GitHub branch names. While OpenAI addressed these issues in February 2026, the findings underscore the emerging risks of AI environments serving as covert transport mechanisms for sensitive data. This episode examines the technical specifics of these patches and the broader implications for enterprise AI security architecture.
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