Outage in PubNub
Certificate Issue Causing Potential Connection Issues
Resolved MajorIncident Report
Summary AI Generated
A certificate update error caused potential connection issues across PubNub's core services, including Publish/Subscribe, Functions, Storage, Presence, and Access Manager, lasting approximately 1.6 hours. Impact was minimal, with only one end user reporting a problem. The issue was identified and remediated, with no further reports following resolution.
An error in updating security certificates may be causing some clients to experience connection issue. We are investigating and will update as we find out more.
Components affected
PubNub Functions Service PubNub Publish/Subscribe Service PubNub Vault PubNub Storage and Playback Service PubNub Key Value store PubNub Stream Controller Service PubNub Scheduler Service PubNub Presence Service PubNub Access Manager Service PubNub DNS Service PubNub Mobile Push GatewayTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
3 days ago - at 10/22/2026 02:47AM
We have had no additional reports related to this issue. If you feel you were impacted, please contact support@pubnub.com. A post-mortem will follow.
MONITORING
3 days ago - at 10/22/2026 02:12AM
We have completed remediation for this issue. Impact was minor: only one end user reported an issue, but we are monitoring for additional impact. Please reach out to support@pubnub.com if you have a related issue to report.
IDENTIFIED
3 days ago - at 10/22/2026 01:55AM
We have identified the issue and are well into remediation. Please reach out to support@pubnub.com if you are experiencing issues.
INVESTIGATING
3 days ago - at 10/22/2026 01:17AM
We are continuing to investigate this issue.
INVESTIGATING
3 days ago - at 10/22/2026 01:11AM
An error in updating security certificates may be causing some clients to experience connection issue. We are investigating and will update as we find out more.
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