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NoClaude · 21 Aug 2026

It refused, including refusing simple things in the same session afterwards

vasco on Hacker News

In the thread “Bringing the cybersecurity capabilities of Claude Mythos 5 to more defenders”

Helped: Found two issues in company codebase.

Got in the way: Refused PoC in one session but did it in another.

… After finding them I told a claude session about one and asked for a quick proof of concept demo of the exploit. It refused, including refusing simple things in the same session afterwards. Meanwhile same model in a new tab, say I need help creating a page that hits an endpoint with a special payload and it does the same things that were too dangerous in the previous tab...