Security · 1h ago
AutoJack Attack Shows Localhost No Longer Safe with AI Agents
Microsoft's AutoJack research reveals how AI agents can expose localhost services to the public internet via confused-deputy attacks. The exploit chains three weaknesses in AutoGen Studio's MCP WebSocket surface, allowing a web page to execute commands on the agent's machine. While the specific bug was fixed before disclosure, the attack pattern applies broadly to agentic stacks.
Meridian48 take
The real story isn't the patched bug but the paradigm shift: localhost is no longer a trusted boundary when agents bridge the gap between internal services and external content.
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The Web Page Couldn't Reach Localhost. Your Agent Carried It There. →
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