A System Prompt Is Not a Guardrail
This story is from 2026-10-24. It is preserved in the archive; the latest stories are on the live feed.
Somewhere in your system prompt, there's a line like this: IMPORTANT: Never issue refunds over $500. Always require manager approval. It feels like a rule. It's actually a polite request. A well-crafted prompt injection, a long multi-turn conversation or a confusing edge case can talk the model rig…
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- 2026-10-24 11:25 · DEV Community — AI
A System Prompt Is Not a Guardrail