Outage recap · Anysphere

Cursor outage — May 18, 2026

On May 18, 2026, Cursor had 3 reported incidents on Anysphere's official status page. Below is what was reported — impact, timing, and the AI services the same upstream outage could affect.

Degraded Performance for Anthropic Models

critical
Started
May 18, 6:00 PM EDT
Resolved
May 18, 6:26 PM EDT
Duration
26 min

As reported by Anysphere's official status page (status: resolved). We report the vendor's own words, never an inferred cause.

Degraded Performance for Cloud Agents, Automations & Security Agents

critical
Started
May 18, 9:48 PM EDT
Resolved
May 19, 1:15 AM EDT
Duration
3h 27m

As reported by Anysphere's official status page (status: resolved). We report the vendor's own words, never an inferred cause.

Degraded Performance for Codex 5.3

major
Started
May 18, 10:15 PM EDT
Resolved
May 18, 11:36 PM EDT
Duration
1h 22m

As reported by Anysphere's official status page (status: resolved). We report the vendor's own words, never an inferred cause.

AIDownCheck is not affiliated with Anysphere. This recap summarizes incidents published on Anysphere's official status page.