A CTF framing via /goal was all it took to bypass Claude Opus's guardrails

xeophon · x · 2026-09-18

User nrehiew showed that making Claude Opus believe it was attempting a CTF challenge via a /goal command was enough to bypass its guardrails. Reposter xeophon notes the recurring pattern: a bit of prompting against closed models is often the easiest way around safety barriers.

Original post →

More from Safety

Safety channel →