Slack incident

Severe Latency Impacting All Slack Services

Minor Resolved View vendor source →

Slack experienced a minor incident on May 27, 2026 affecting Login/SSO and Connectivity and 1 more component, lasting 26m. The incident has been resolved; the full update timeline is below.

Started
May 27, 2026, 11:02 PM UTC
Resolved
May 27, 2026, 11:29 PM UTC
Duration
26m
Detected by Pingoru
May 27, 2026, 11:02 PM UTC

Affected components

Login/SSOConnectivityMessagingFilesNotificationsHuddlesSearchApps/Integrations/APIsWorkspace/Org AdministrationWorkflows

Update timeline

  1. investigating May 27, 2026, 11:02 PM UTC

    The Slack Engineering team is currently investigating severe latency impacting all Slack services. We'll provide an update as soon as we have more information to share and apologize for any inconvenience this is causing.