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Invisible Unicode in a Rules File Made Copilot and Cursor Write a Backdoor. Find It

This story is from 2026-10-29. It is preserved in the archive; the latest stories are on the live feed.

Book: RAG Pocket Guide The series: Pocket Guides for Developers — 8 short books on agents, RAG, prompts, observability, events, databases and system design — the whole series My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com…

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  1. 2026-10-29 08:05 · DEV Community — AI
    Invisible Unicode in a Rules File Made Copilot and Cursor Write a Backdoor. Find It

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