'After one month, most partners have each found hundreds of critical- or high-severity vulnerabilities': Anthropic claims Mythos has found over ten thousand major security vulnerabilities across 'the most systemically important software in the world'

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‘After one month, most partners have each found hundreds of critical- or high-severity vulnerabilities’: Anthropic claims Mythos has found over ten thousand major security vulnerabilities across ‘the most systemically important software in the world’

by Security News May 25, 2026

Credit: The original article is published here.

Anthropic illustrates the first months of Mythos Preview, saying it discovered thousands of critical and high-severity bugs.