Where does the bug appear (feature/product)? Cursor CLI Describe the Bug New version of cursor CLI (version 2026.04.13-a9d7fb5) becoming unresponsive running 100% cpu . As soon as the CLI starts it launches multiple threads running index.js, all hitting 100% cpu. CLI is slow and agent is unable to…

Hey, this is a known regression in the CLI version 2026.04.13-a9d7fb5. There have been a few reports of the same issue in the last 24 hours: Regression - cpu spikes to 100% and agent hangs The team is aware of it. While they’re investigating, you can try rolling back to the previous CLI version 2…

Latest version of cursor CLI index.js hitting 100% cpu

Support Bug Reports

Topic		Replies	Views
Regression - cpu spikes to 100% and agent hangs Bug Reports performance , cli , linux	12	227	April 15, 2026
Cursor Agent hangs on a specific repository due to .git contents Bug Reports indexing , performance , cli , linux	2	101	April 14, 2026
Cursor CLI - Windows PowerShell Subagents causing Endpoint Security CPU spikes Bug Reports terminal , performance , cli , windows , subagents	1	70	May 12, 2026
Cursor CLI (cursor-agent) slow and using 100% of a single cpu Bug Reports cli	1	413	October 25, 2025
High CPU usage on Cursor CLI Bug Reports cli	20	589	November 24, 2025

Latest version of cursor CLI index.js hitting 100% cpu

Related topics