- Level
- confirmed
- Worst impact
- Degraded
- Components
- macOS Jobs
- Down Index
- 20of 100
What to do
Check whether you use CircleCI macOS Jobs. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 2h 22m it lasted.
Anything that failed between 2026-06-01 01:04 UTC and 2026-06-01 03:26 UTC may need a replay.Subscribe to CircleCI's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=circleci works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from CircleCI 5
- investigating
Mac jobs are continuing to experience failures. Our infrastructure provider is continuing to report that they are experiencing a DDoS attack causing high network latency and packet loss for our Mac fleet. We are working to bring up additional capacity to restore service.
provider
- investigating
We are continuing to investigate this issue.
provider
- monitoring
We are seeing Mac jobs starting successfully and improved network connectivity to the Mac fleet, however our infrastructure provider is continuing to experience a DDoS attack. We will continue to monitor the recovery while bringing additional capacity to our platform.
provider
- monitoring
Mac jobs are running successfully, and we are continuing to monitor the performance of our Mac fleet. Thank you for your patience.
provider
- resolved
All Mac jobs are running successfully. Our infrastructure provider has confirmed that the DDoS attack has been mitigated and that services have been restored. Thank you for your patience during this incident.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-b6907663e0
Is CircleCI still down?
No, this incident was resolved 2026-06-01 03:26 UTC. For CircleCI's live state, see https://down.guide/circleci.
How long did it last?
2h 22m, from 2026-06-01 01:04 UTC to 2026-06-01 03:26 UTC, by the times CircleCI posted.
What was affected?
CircleCI named macOS Jobs.
What caused it?
CircleCI hasn't published a root cause. If it does, it shows here.
Where does this come from?
CircleCI's official status page, https://status.circleci.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.