Internal System Prompt leaking to the user- Cursor CLI

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1

Where does the bug appear (feature/product)?

Cursor CLI

Describe the Bug

The Internal Prompt Leaked to the user while I was using the Cursor CLI. It revealed the internal tags as well.

Steps to Reproduce

In the First iteration, the prompt I sent failed due to networking issues. And, when the internet issue was fixed and I clicked on the prompt, It showed me this.

Screenshots / Screen Recordings

cursor-cli-bug.png
cursor-cli-bug.png438×284 12.9 KB

Operating System

MacOS

Version Information

Cursor CLI - 2026.07.16-899851b

For AI issues: which model did you use?

Composer 2.5 Fast

Does this stop you from using Cursor

No - Cursor works, but with this issue

6

Thanks for flagging this @Agrim_Sharma! This is a known issue when a turn errors before its first checkpoint, and we have a bug filed in the backlog.