ServiceControl 6.6.4 and 5.11.9 – Patch releases available

Hi everyone,

We’ve just released ServiceControl 6.6.4 and 5.11.9.

Improvements/Features

  • #5003 Microsoft Security Advisory CVE-2025-30399: .NET Remote Code Vulnerability
  • #5008 Update RavenDB to 6.2.6
  • #5006 Upgrade NServiceBus.RabbitMQ to 10.1.3

Fixed bugs

  • #5016 Send failures could lock transport into single concurrency mode

How to know if you are affected

All users of ServiceControl that are using ExternalIntegrationEvents are affected.

Symptoms

After a failure in sending an external integration event, the circuit breaker is armed. If a success happens after this, it may fail to recover, causing ServiceControl to shut down.

When to upgrade

You should upgrade immediately if you are affected. Otherwise, you should upgrade during your next maintenance window.

Where to get it

You can download the new version of ServiceControl from our website or Docker Hub.

Please read our support policy for more details.

With thanks,
The team in Particular