Cursor reported a critical degradation across Grok models and agent services
Cursor documented a critical service degradation affecting all Grok models, Automations, Cloud Agents, Grok Bot and Review Agents on September 3. The provider identified a cause, applied mitigation work and resolved the incident after about three and a half hours.
- First observed
- Sep 3, 2026, 3:41:00 PM
- Disclosed
- Sep 3, 2026, 3:41:00 PM
- Status
- Resolved
- Confidence
- 99%
- Organization
- Cursor
- Last reviewed
- Sep 4, 2026
Observed
Facts supported by sources
- Cursor classified a service degradation as critical and listed all Grok models, Automations, Cloud Agents, Grok Bot and Review Agents as affected.
- Cursor opened the incident at 13:41 UTC, said it had identified the cause at 15:33 UTC and marked the incident resolved at 17:07 UTC on September 3.
Assessment
Interpretation, not observation
- Cursor did not disclose the root cause or quantify the number of affected users in the public status record.
- Concurrent upstream provider outages may be related, but the source does not establish a common cause.
Impact
Impact
Failed or unavailable model and agent workflows across multiple Cursor automation and review surfaces.
Response
Response
Cursor identified the cause, worked on a mitigation and then reported service restored.