The current version of Eclipse Mosquitto is 2.1.2 (as of 08/07/2026). patchletter checks the official source daily and emails you new releases.
Eclipse Mosquitto at a glance
Eclipse Mosquitto is a widely used open-source MQTT message broker, common in IoT and home-automation setups. Mosquitto ships regular releases plus security fixes; as a broker that can control devices and often bridges untrusted networks, hardening and keeping it current matter.
For admins the cardinal rule is not to run Mosquitto open: enable authentication and TLS, set access control lists on topics, and never expose an unauthenticated broker to the internet — an open MQTT broker leaks data and can let anyone control connected devices. It usually comes from the distribution or the project; keep it patched. Because MQTT often drives physical actuators (switches, locks), treat access seriously. After updating, verify that clients connect, authenticate and publish/subscribe correctly. It's frequently paired with Home Assistant and Zigbee2MQTT — check those integrations after updates. Track the version and its support status; patchletter surfaces new Mosquitto releases so security fixes land.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 2.1.2 | STABLE | 08/07/2026 | – |
Frequently asked questions
- What is the latest version of Eclipse Mosquitto?
- Eclipse Mosquitto 2.1.2, released 08/07/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Eclipse Mosquitto release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new Eclipse Mosquitto updates?
- Tick Eclipse Mosquitto off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new Eclipse Mosquitto version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/mosquitto)https://patchletter.com/badge/mosquitto.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
