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Researchers escape OpenAI Codex sandbox to run commands on host

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Summary

Security researchers found two sandbox escapes in OpenAI's Codex coding agent. The more serious flaw, Heapjack, lets a malicious repository owner run unsandboxed commands on a developer's machine through the node_repl component, even in read-only mode. OpenAI was notified on August 12 and fixed both flaws within eight days, according to Oren Yomtov of Accomplish AI.