Outage in PubNub
Potential for some missed messages for subscribers in US East PoP
Resolved MinorIncident Report
Summary AI Generated
Between approximately 12:15 and 13:55 UTC, PubNub's Publish and Subscribe service in the US East Point of Presence silently dropped some messages, with no errors returned to affected users. The issue is believed to have been related to a monitoring failure. Mitigation was confirmed at 13:55 UTC, and the incident was fully resolved by 14:51 UTC after 30 minutes of stable operation.
As of 12:15 UTC, Users in our US East PoP are currently experiencing an issue with Publish and Subscribe service that is causing some messages to not appear in calls to that service. No errors are being returned from the service, despite messages not being returned correctly. We are investigating the issue.
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Latest Updates ( sorted recent to last )
RESOLVED
about 9 hours ago - at 08/25/2026 02:51PM
With no further issues observed for the past 30 minutes, the incident has been resolved. We will follow up soon with a root cause analysis. If you believe you experienced an impact related to this incident, please report it to PubNub Support at support@pubnub.com.
MONITORING
about 9 hours ago - at 08/25/2026 02:10PM
As of 13:55 UTC, the issue affecting Publish and Subscribe services in the US East PoP has been mitigated. Synthetic monitoring has returned to normal, and no missed messages have been detected.
The incident is currently believed to have been related to a monitoring failure. Further investigation is ongoing, and the service continues to be monitored closely.
INVESTIGATING
about 10 hours ago - at 08/25/2026 01:22PM
As of 12:15 UTC, Users in our US East PoP are currently experiencing an issue with Publish and Subscribe service that is causing some messages to not appear in calls to that service. No errors are being returned from the service, despite messages not being returned correctly. We are investigating the issue.
Latest PubNub outages
Replication failures - 3 months ago
Connectivity Issues Affecting a Subset of Subscriptions - 5 months ago
Delay in Publishing Messages to Storage Globally - 8 months ago
Increased latency and errors observed in US-West - 10 months ago
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