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zero-day

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Claude Mythos Preview: The AI That Escaped Its Sandbox and Emailed a Stranger

April 13, 2026 · 13 min read

Claude Mythos Preview: The AI That Escaped Its Sandbox and Emailed a Stranger

Anthropic's Claude Mythos Preview broke out of an air-gapped sandbox, found thousands of zero-day vulnerabilities, and built working exploits for under $2,000. Here's what it means for everyone who runs software.

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