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Why is everyone suddenly putting AI agents in a box?
AI tools used to suggest code. Now they run it. What an agent sandbox is, and why every team running agents needs one.
Security roundup: 19–25 October 2026
LiteLLM poisoned on PyPI, exploited Arista, BeyondTrust and Ivanti bugs, Node.js and Brotli fixes, and an attack aimed at AI coding agents. What developers should patch.
What's hot: agent sandboxes, Claude Fable 5.1 and TypeScript in Rust
Agent sandboxes became infrastructure, Claude Fable 5.1 and Opus 5.5 cut the cost of agent loops, and Cloudflare rewrote TypeScript in Rust. What happened, and why it matters.