Machine speed, hold the AI: Hand-rolled marimo CVE-2026-39987 exploit

A highly skilled human attacker exploited a critical marimo vulnerability (CVE-2026-39987) to achieve machine-speed credential theft and cloud pivoting—matching or surpassing AI-driven threats—by hand-crafting and iteratively debugging their own attack toolkit, evading AI-focused defenses and highlighting the urgent need for comprehensive, upstream security controls.