Forensic Summary
Researchers have demonstrated that indirect prompt injection attacks embedded within seemingly benign code repositories can cause Claude Code — Anthropic's agentic coding assistant — to spawn a reverse shell on a developer's machine. The attack exploits Claude Code's autonomous execution capabilities, using hidden instructions in repository content to hijack the host system without any explicit user consent. This highlights a critical risk in agentic AI tools that operate with elevated system privileges in developer environments.
Read the full technical deep-dive on Grid the Grey: https://gridthegrey.com/posts/indirect-prompt-injection-in-repositories-gives-claude-code-full-shell-access/
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