Cursor: Elevated errors for Claude Sonnet 5.5
Affected components: AutomationsCLICloud AgentsIDE
Timeline of updates
- 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.
- investigatingDeleted by the vendor
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.
- 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.
- resolved
This incident has been resolved.
Changes Rewindex caught on this incident
- Incident updated: Elevated errors for Claude Sonnet 5.5
- Incident updated: Elevated errors for Claude Sonnet 5.5
- Incident updated: Elevated errors for Claude Sonnet 5.5
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-26 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
1e25dd9e3df74fb6…Version 2 captured
In the 2026-10-26 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
93b30461f5ddc9e6…Version 3 captured
In the 2026-10-26 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
23a5ddcfaebf635e…Version 4 captured
In the 2026-10-26 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
3ed65dd9bc6dca0c…
Impact, status and times are the vendor’s own, as last archived. View on status.cursor.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Cursor, started 2026-10-26 14:02 UTC, resolved after 1.4 h, 4 update(s); edited after publishing.
- Title
- Elevated errors for Claude Sonnet 5.5
- Vendor
- Cursor
- Date
- URL
- https://rewindex.com/company/cursor/incidents/tf5vxc32161d
Cursor profileRecent Cursor incidentsAll outages on October 26, 2026Cursor in October 2026MarkdownJSON