Outage in Oso

Platform degradation for some upstream AWS services

Resolved Minor

October 20, 2025 - Started 4 months ago - Lasted about 3 hours
Official incident page

Incident Report

Between Oct 20 07:11 AM UTC and Oct 20 09:27 AM UTC, our system alarms for AWS started paging the On-Call team. We confirmed from the AWS status page that AWS was having an incident: https://health.aws.amazon.com/health/status AWS has reported that they have found the root cause and customers should be seeing recovery. Our internal monitoring dashboards have been available throughout this time and report that the Oso Cloud platform has been handling authorization decisions and write traffic without disruption. Given this, we currently believe there is no visible impact for Oso customers. We will continue to monitor and share any relevant status updates.

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Latest Updates ( sorted recent to last )

RESOLVED 4 months ago - at 10/20/2025 10:14AM

Between Oct 20 07:11 AM UTC and Oct 20 09:27 AM UTC, our system alarms for AWS started paging the On-Call team. We confirmed from the AWS status page that AWS was having an incident: https://health.aws.amazon.com/health/status

AWS has reported that they have found the root cause and customers should be seeing recovery. Our internal monitoring dashboards have been available throughout this time and report that the Oso Cloud platform has been handling authorization decisions and write traffic without disruption. Given this, we currently believe there is no visible impact for Oso customers. We will continue to monitor and share any relevant status updates.

Latest Oso outages

Elevated errors processing writes in eu-west-1 - 3 months ago

Platform degradation in some upstream AWS services - 4 months ago

Website unavailable - 9 months ago

Some API endpoints incorrectly returning HTTP 4xx error codes - about 1 year ago

Intermittent HTTP 401 errors in us-east-1 - about 1 year ago

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