PubNub outage, 17 October 2025
Potential for some missed messages for subscribers in IAD
- Started
- Resolved
- 17 Oct 2025, 08:06 UTC (after 1 h 23 min)
- Impact
- Major
- Affected
- Publish/Subscribe Service, North America Points of Presence
Last update from PubNub
### **Problem Description, Impact, and Resolution** On October 17, 2025 at 04:51 UTC, some customers may have experienced elevated latency and error rates with the Pub/Sub service in the IAD region \(US-East\). Our engineering teams began immediate investigation and identified a spike in errors related to a recent update to the Pub/Sub service. We began formal incident response and initiated rollback of the service deployment shortly thereafter. The issue was fully resolved by 06:50 UTC, and rollback across all regions was completed by 08:00 UTC. The issue occurred because a misconfiguration in the release caused incorrect behavior in the channel cleanup logic. Additionally, our alerting...
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