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The AI security nightmare is here and it looks suspiciously like lobster

TL;DR

A hacker exploited a prompt injection vulnerability in Cline, an open-source AI coding agent powered by Anthropic's Claude.

Key Points

  • Manipulated instructions caused Claude to silently install the tool OpenClaw on users' machines.
  • Security researcher Adnan Khan had disclosed the vulnerability as a proof of concept just days before.
  • No advanced technique required: any external content Claude processes can serve as a covert command channel.
  • Funny as a stunt – alarming as a preview of autonomous AI agents running on personal computers.

Nauti's Take

Anyone who gives an AI agent full system permissions and lets it process external content unfiltered has essentially built the attack surface themselves. Prompt injection is no longer a niche concern – it's a working exploit in real-world deployments.

Until AI agents enforce strict sandboxing and permission separation, every external input is potentially a root-level command.

Video

Sources