Cumulocity experienced a major incident on November 11, 2025 affecting cumulocity.com API Services and cumulocity.com MQTT Services and 1 more component, lasting 10d. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Nov 11, 2025, 03:11 PM UTC
We have observed an issue within the core module of the Cumulocity platform on cumulocity.com. The platform is still fully functional but we see some unexpected restarts that could trigger some connection resets. We are investigating the root cause and will inform you as soon as we have further information. We apologize for the inconvenience caused.
- identified Nov 13, 2025, 09:16 AM UTC
The root cause of the issue within the core module of the Cumulocity platform on cumulocity.com has been identified. We are working on implementing a fix and will inform you as soon as we have further information.
- monitoring Nov 14, 2025, 07:56 AM UTC
We have applied a fix for the issue within the Cumulocity platform on cumulocity.com We are monitoring the system to make sure that the symptoms fully disappear. We will inform you once we have further information.
- resolved Nov 21, 2025, 03:14 PM UTC
While monitoring the Core module of the Cumulocity platform on cumulocity.com We have not seen any further problematic symptoms and are confident that the applied fix solved the issue. We will inform you should any new issues arise. We again apologize for the inconvenience caused.