New Cursor CLI sandbox escape variant runs arbitrary code on your Mac

EdenEmarco177 · x · 2026-09-13

Security researcher orcaman disclosed a new variant of the previously shared Beltdown vulnerability: after the Cursor team shipped a fix in about a week, the researcher demonstrates escaping Cursor CLI's sandbox to run arbitrary code on a Mac. The team was credited for the fast prior fix; this new bypass underscores local security risks of AI coding tools.

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