Cyber researchers reportedly used Opus 5 to hack into OpenAI
kimmonismus · x · 2026-09-18
X user kimmonismus claims cyber researchers used Claude Opus 5 to hack into OpenAI, calling it "pretty significant," with a linked source. The post itself is a one-line report without details on methodology, whether it was an authorized red-team exercise, or impact — treat as unverified pending the underlying link.
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