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Outage in Confluent

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

Resolved Minor
September 08, 2026 - Started 5 days ago - Lasted 1 day
Official incident page

Incident Report

Summary AI Generated

Confluent Cloud experienced a ~30-hour disruption in AWS us-east-1 affecting authentication, Schema Registry, ksqlDB, Flink, and Kafka management operations, while Kafka data-plane operations remained unaffected. A mitigation was applied on September 9 at 06:41 UTC, with services fully restored by 14:56 UTC the same day. All other regions were unaffected throughout the incident.

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.
Components affected
Confluent Cloud

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Latest Updates ( sorted recent to last )
RESOLVED 4 days ago - at 09/09/2026 02:56PM

The systems have recovered and Confluent Cloud is fully operational.

MONITORING 4 days ago - at 09/09/2026 06:41AM

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 4 days ago - at 09/09/2026 01:45AM

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

IDENTIFIED 4 days ago - at 09/09/2026 12:01AM

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

IDENTIFIED 4 days ago - at 09/08/2026 05:41PM

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

IDENTIFIED 5 days ago - at 09/08/2026 03:55PM

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 5 days ago - at 09/08/2026 02:06PM

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

INVESTIGATING 5 days ago - at 09/08/2026 11:38AM

We are currently investigating this issue.

IDENTIFIED 5 days ago - at 09/08/2026 10:37AM

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

INVESTIGATING 5 days ago - at 09/08/2026 09:17AM

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.

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