HomeresearchdevelopingMay 8, 2026

Mozilla's agentic AI pipeline turns Claude Mythos Preview loose and finds 271 unknown Firefox vulnerabilities

Anthropic's Claude Mythos Preview uncovered 271 previously unknown security vulnerabilities in Firefox 150, including bugs up to 20 years old. Mozilla describes an agentic pipeline where the AI builds and runs its own test cases to filter out false positives. Going forward, every new piece of code is to be automatically checked before commit. The article Mozilla's agentic AI pipeline turns Claude Mythos Preview loose and finds 271 unknown Firefox vulnerabilities appeared first on The Decoder .

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