Cursor problems on 26 October 2026

Status	Resolved
Worst verdict	Some users report problems
Started	26 Oct 2026, 14:02 UTC
Ended	26 Oct 2026, 15:26 UTC
Duration	1 h 24 min
Official incident	Elevated errors for Claude Sonnet 5.5
Affected	Automations, CLI, Cloud Agents, IDE

Timeline

26 Oct 2026, 14:02 UTC

We started seeing problems. Our verdict: Some users report problems.
26 Oct 2026, 14:02 UTC · official update

Elevated errors for Claude Sonnet 5.5 (investigating): “We are investigating elevated errors affecting requests to Sonnet 5.5. Some users may see failed or rate-limited responses when using this model. We are working on a fix and will share an update soon.” Source
26 Oct 2026, 14:05 UTC · official update

Elevated errors for Claude Sonnet 5.5 (investigating): “We are investigating elevated errors affecting requests to Sonnet 5.5. Some users may see failed or rate-limited responses when using this model.” Source
26 Oct 2026, 14:37 UTC · official update

Elevated errors for Claude Sonnet 5.5 (monitoring): “We are seeing improvement for Claude Sonnet 5.5 requests. We are continuing to monitor the situation. Some users may still see occasional errors when using this model.” Source
26 Oct 2026, 15:26 UTC

Looking normal again. We'll keep watching for 15 minutes before closing this.
26 Oct 2026, 15:40 UTC

Everything has looked normal for 15 minutes, so we marked this incident as resolved.

Times are shown in your local time zone. “Official update” entries quote Anysphere's status page; follow the source link for the full text.

How we track incidents

We open an incident when Cursor stops looking normal or Anysphere posts an official incident, and close it after 15 minutes with everything back to normal. More about our method.