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

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-09-08 09:17 UTC · Resolved: 2026-09-09 14:56 UTC · Duration: 30 h
- Updates: 10 · Affected components: Confluent Cloud
- [Vendor status page: https://stspg.io/kqjcc6c3r8qf](https://stspg.io/kqjcc6c3r8qf)
- [Company: Confluent](https://rewindex.com/company/confluent.md)

## Timeline of updates

- **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.
- **identified** 2026-09-08 10:37 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 14:06 UTC: The issue has been identified and a fix is being implemented.
- **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 17:41 UTC: We continue to work on remediating the service disruption in AWS us-east-1.  Not confirmed ETA at this time.
- **identified** 2026-09-09 00:01 UTC: Confluent is continuing to work on remediating the service disruption in AWS us-east-1.
- **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.
- **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.
- **resolved** 2026-09-09 14:56 UTC: The systems have recovered and Confluent Cloud is fully operational.


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Canonical: https://rewindex.com/company/confluent/incidents/4qs2w3mq2241 · Markdown: https://rewindex.com/company/confluent/incidents/4qs2w3mq2241.md · JSON: https://rewindex.com/api/v1/companies/confluent/incidents/4qs2w3mq2241 · Generated 2026-10-18T09:38:28.487Z