feat: add support for CODEX_SECURE_MODE=1 to restrict process observability #4220
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pakrym-oai
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Sep 25, 2025
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Because the
codexprocess could contain sensitive information in memory, such as API keys, we add logic so that whenCODEX_SECURE_MODE=1is specified, we avail ourselves of whatever the operating system provides to restrict observability/tampering, which includes:ptrace(2), so it is not possible to attach to the process with a debugger, such asgdbAdmittedly, a user with root privileges can defeat these safeguards.
For now, we only add support for this in the
codexmultitool, but we may ultimately want to support this in some of the smaller CLIs that are buildable out of our Cargo workspace.