ZoomEye finds 45,150 exposed ClickHouse and 2,503 InfluxDB servers online
A ZoomEye scan collected on 22 September 2026 found 45,150 internet-reachable ClickHouse servers on port 8123, 2,503 InfluxDB instances on 8086 and 1,659 MQTT brokers on 1883. It also returned 15,906 Cassandra and 1,550 Elasticsearch nodes. Data pipeline services often sit outside security asset inventories.
- ClickHouse on port 8123: 45,150 reachable instances
- InfluxDB on 8086: 2,503; MQTT on 1883: 1,659
- Cassandra on 9042: 15,906; Elasticsearch on 9200: 1,550
- A responding port does not confirm missing authentication
Read next
Security