Cases · Model: Claude Mythos 5 · Themes: cyber evaluation · Where it happened: company that built the AI

What happened	What went wrong	Severity	Earliest source
AISI cyber evaluation: Mythos 5 agent exposed locally-hosted attack tooling to the public internet via tunnelling services Anthropicminor · earliest source 2026-08-04	AI pursued the wrong goal	minor	2026-08-04