Opus 4.5 happily forces a delete via terminal command after rejection

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After me rejecting a deletion, Opus 4.5 happily finds an alternative approach to delete it after all. Luckily this wasn’t harmful in this situation but the impact could have been much worse. Is there a way to prevent this and if so, why isn’t this mandated by default?

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Hey, thanks for the report.

This behavior is related to how models interpret a refusal. They take it as “this method didn’t work” and then look for an alternative. The team is aware of this class of issues.

Current workaround:

  • Turn off auto-run for the terminal: Cursor Settings > Agents > Auto-Run > select Ask Every Time
  • This way, every terminal command will need your approval, and you can block rm -f
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