PubNub outage, 14 August 2026
Global Errors and Failures with Publish and Functions, Delays with Events & Actions
- Started
- Resolved
- 14 Aug 2026, 14:29 UTC
- Impact
- Not stated
- Affected
- Publish/Subscribe Service, Functions Service, North America Points of Presence, European Points of Presence, Asia Pacific Points of Presence, Southern Asia Points of Presence
Last update from PubNub
### **Problem Description, Impact, and Resolution** At approximately **13:55 UTC on Aug 14, 2026**, we observed elevated publish errors and message replication failures in our publish/subscribe service, which also caused latency in other PubNub services globally. Customers may have experienced increased publish error rates, delayed or missed message delivery, delayed message persistence, and increased latency for Functions and Events & Actions workflows. The root cause of the incident was an unusually large concentration of global publish traffic that was not limited by our throttling layers. That traffic created resource pressure in the publish and replication layers, increased load on...
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