Researchers escaped OpenAI's Codex sandbox two ways, one running commands on a developer's machine from its most locked-down mode. OpenAI has patched both.

Codex’s network proxy was resolving a hostname before it checked whether that host was allowed, so the name went out to ...

Two OpenAI Codex sandbox flaws, Overpatch and Heapjack, could let malicious repositories execute commands on developer systems.

Security researchers broke out of the sandboxes in four widely used AI coding agents, including Cursor, OpenAI's Codex, Google's Gemini CLI and Antigravity, without attacking the sandbox head-on. The ...

When using Codex, you may see an approval prompt before a command is executed.It can be tedious to stop every time, but ...