Cursor outage on September 23, 2026: Investigating — Cloud Agent Dockerfile Builds
Cursor reported an incident affecting Cursor for 1 hour 29 minutes on 23 September 2026, from 17:14 to 18:43 UTC.
Resolved
Official incident reported by Cursor
- Started
- 17:14
- 23 Sep 2026 UTC
- Resolved
- 18:43
- 23 Sep 2026 UTC
- Duration
- 1h 29m
- 1 hour 29 minutes
- Impact
- Minor
- as rated by Cursor
- Updates
- 4
- posted by Cursor
Timeline
All times UTC.
Official incident from Cursor
Investigating — Cloud Agent Dockerfile Builds
-
Official
Investigating
Customers using Cloud Agents with Dockerfile-based builds may be unable to create new builds. Existing Cloud Agents continue to run on their current image; only new Dockerfile builds are affected.
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Official
Identified
The root cause has been identified and a fix is being implemented.
-
Official
Monitoring
A fix has been implemented and we are monitoring for service restoration.
-
Official
Resolved
This incident has been resolved.
"Official" rows are quoted from Cursor's public status page, status.cursor.com. Very long posts are shortened.
What our checkpoints saw
HostTracker's checkpoints, which test cursor.com from several locations, recorded no outage of 5 minutes or longer during this incident. A provider can report a problem that affects only some features, regions or accounts, which a check of the main address does not see. The live Cursor status shows what our checks see right now.
Does your product depend on Cursor?
An outage like this one reaches your users through your product, and most teams hear about it from a customer rather than from a dashboard. HostTracker watches any endpoint you name - your own site, an API you call, a vendor you resell - from 300+ locations, confirms a failure from several of them before it says anything, and then tells you by email, SMS, voice call or your chat tool.
You get the same record you are reading here for your own services: every outage timestamped, with the checks that observed it.
Independent measurement by HostTracker. Not affiliated with Cursor. Official updates are quoted from Cursor's public status page and remain Cursor's own words.