The OpenAI breach, Claude's 26% of R&D, Plugin4Shell - September 18, 2026

Cortech Daily · Sep 18, 2026 · 8m

White hats used Claude Opus 5 to reach OpenAI's internal repos in under seventy-two hours, Anthropic published the share of its own research Claude now leads, and one plugin flaw landed in four coding agents at once.(0:00) - Intro(0:27) - Researchers used Claude Opus 5 to breach OpenAI - source(1:24) - Claude leads a quarter of Anthropic's own R&D - source(2:13) - Plugin4Shell hits four major AI coding agents - source(3:00) - Claude Code Projects enters beta - source(3:35) - AWS confirms permanent data loss in Bahrain and the UAE - source(4:23) - OpenAI models left notes telling…