# Confluent Cloud: Service Disruption affecting Authentication, Schema Registry, ksqlDB, and Flink in AWS us-east-1

- Provider: [Confluent Cloud](https://outages.cc/confluent.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-09-08 09:17 UTC
- Resolved: 2026-09-09 14:56 UTC (lasted 29 h 39 min)
- Components: Confluent Cloud
- Official update: https://stspg.io/kqjcc6c3r8qf

## Updates from Confluent Cloud

### resolved, 2026-09-09 14:56 UTC

The systems have recovered and Confluent Cloud is fully operational.

### monitoring, 2026-09-09 06:41 UTC

We have applied a mitigation for the issue affecting Schema Registry, Authentication, ksqlDB, Flink, and Kafka operations in AWS us-east-1. Services are recovering and we are monitoring closely.

### identified, 2026-09-09 01:45 UTC

Confluent is continuing to work on the service disruption in AWS us-east-1. No immediate ETA for resolution is available.

### identified, 2026-09-09 00:01 UTC

Confluent is continuing to work on remediating the service disruption in AWS us-east-1.

### identified, 2026-09-08 17:41 UTC

We continue to work on remediating the service disruption in AWS us-east-1. Not confirmed ETA at this time.

### identified, 2026-09-08 15:55 UTC

We continue to work on remediating the service disruption in AWS us-east-1. Confirmed impact: - Authentication — a subset of requests may fail - Schema Registry — authorization errors on a subset of requests - ksqlDB — a subset of queries/requests may be affected - Flink — statement management operations (create/update/delete) are degraded, and some running Flink jobs may fail or restart - Kafka operations (create, delete etc) Not impacted: Kafka cluster data-plane operations are not affected by this incident. This issue is isolated to the AWS us-east-1 region; other regions are unaffected

### identified, 2026-09-08 14:06 UTC

The issue has been identified and a fix is being implemented.

### investigating, 2026-09-08 11:38 UTC

We are currently investigating this issue.

### identified, 2026-09-08 10:37 UTC

The issue has been identified and a fix is being implemented.

### investigating, 2026-09-08 09:17 UTC

We are investigating a service disruption affecting multiple services in AWS us-east-1 region. Affected customers may experience authentication failures, errors accessing Schema Registry, or issues with KSQL and Flink workloads. We are actively investigating the root cause and working toward mitigation.