PubNub outage, 22 October 2026

Certificate Issue Causing Potential Connection Issues

Started
Resolved
22 Oct 2026, 02:47 UTC (after 1 h 36 min)
Impact
Major
Affected
Publish/Subscribe Service, Functions Service, Storage and Playback Service, Vault, Stream Controller Service, Key Value store, Presence Service, Scheduler Service, Access Manager Service, DNS Service, Mobile Push Gateway, App Context Service

Is this still happening?

No. PubNub marked this incident resolved on 22 Oct 2026, 02:47 UTC, 1 h 36 min after it began.

Right now: PubNub reports all systems operational. (as of 26 Oct, 03:45 UTC) Live PubNub status

Last update from PubNub

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.

22 Oct 2026, 02:47 UTC

Read the full incident on the official PubNub status page

Similar PubNub incidents

Earlier incidents with the same affected part or wording - useful to see how long this kind of problem usually takes.

  1. , resolved after 1 h 47 min

    Elevated latencies and errors for multiple services in US-west and US East

  2. , resolved after 10 h 11 min

    Increased latency and errors observed in US-West

  3. , resolved

    Global Errors and Failures with Publish and Functions, Delays with Events & Actions

  4. , resolved after 34 min

    Errors and Latency for Presence in FRA and BOM

  5. , resolved after 1 h 28 min

    Potential for some missed messages for subscribers in US East PoP

Other recent PubNub incidents

  1. Increased Subscribe error rate and latency observed globally

  2. Replication failures

  3. Global Errors and Failures with Publish and Functions, Delays with Events & Actions

  4. Connectivity Issues Affecting a Subset of Subscriptions

  5. Delay in Publishing Messages to Storage Globally

  6. Increased errors observed and resolved

  7. Potential for some missed messages for subscribers in IAD

  8. Elevated Event & Action Error In FRA Region

All recorded PubNub incidents