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Claude Mythos vulnerability discovery and Firefox hardening
7 items●2 sources●updated 39d ago●trend 0
Anthropic's Claude Mythos model discovered 271 vulnerabilities in Firefox during a collaborative hardening effort with Mozilla, demonstrating the model's capability to identify security flaws at scale. The effort also exposed a browser extension vulnerability called ClaudeBleed that could allow extensions to hijack Claude's extension, prompting Anthropic's response.
[HN]hacker news6
Behind the Scenes Hardening Firefox with Claude Mythos Preview
ClaudeBleed: Claudes Browser Extension Allows Any Extension to Hijack It
Anthropic response to 1-click pwn: Shouldn't have clicked 'ok'
Mozilla says 271 vulnerabilities found by Mythos and "almost no false positives"
Natural Language Autoencoders: Turning Claude's Thoughts into Text
Hardening Firefox with Claude Mythos Preview
[BSKY]bluesky1
So Claude Mythos was, indeed, not marketing hype.