Socket on Mythryl: “Anthropic reports biased reasoning and recklessness fueled Claude’s…”

Anthropic reports biased reasoning and recklessness fueled Claude’s PyPI attack. Mythos 5 ignored signs it was on the real internet, published malware to PyPI, then used credentials leaked by a vendor’s scanner to access that vendor’s live database. socket.dev/blog/claude-...

socket.devAnthropic Identifies Biased Reasoning and Recklessness as Drivers of Claude’s PyPI AttackAnthropic found biased reasoning and recklessness drove Claude Mythos 5 to publish malware on PyPI and compromise a security vendor.

10/9/26, 11:15 pm1 repost6 likes

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