←── back to feed
/topics/claude-mythos-vulnerability-discovery-and-firefox-hardening

Claude Mythos vulnerability discovery and Firefox hardening

7 items2 sourcesupdated 39d agotrend 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.