Critical impactResolvedCollaboration

Smartsheet outage: Unexpected HTTP response code affecting login, sheet access, Control Center, Dynamic View and other premium apps

Smartsheet reported this critical-impact incident on its official status page on Aug 27, 2026, 13:33 UTC. It was resolved after 2h 20m.

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Aug 27, 2026, 13:33 UTC
started
Aug 27, 2026, 15:53 UTC
resolved
2h 20m
duration
Critical
impact

Affected components

  • Calendar
  • Control Center
  • Dashboards
  • Dynamic View
  • Reports
  • Sheets
  • Smartsheet Login
  • WorkApps
  1. postmortemSep 11, 2026, 04:20 UTC

    Between August 26 and August 28, 2026, customers experienced intermittent issues logging in to Smartsheet and loading sheets, Dashboards, Reports, and certain premium applications, including Control Center, Dynamic View, WorkApps, and Resource Management. The most significant disruption occurred on August 26, lasting approximately 3 hours and 56 minutes, from 12:21 to 16:17 UTC. A shorter recurrence affected customers for approximately 47 minutes on August 27, from 13:03 to 13:50 UTC. A smaller number of customers in our European region experienced a brief period of similar impact on August 28, lasting under 30 minutes, before the issue was fully and permanently resolved. Customers in our Australia and Government regions were not affected at any point during this incident. The underlying cause traced back to a routine change to an internal feature setting. That change had an unintended side effect: it exposed a software defect that caused customers' browsers to send a large, unexpecte

  2. resolvedAug 27, 2026, 15:53 UTC

    This incident has been resolved.

  3. monitoringAug 27, 2026, 13:52 UTC

    A fix has been implemented and we are monitoring the results.

  4. investigatingAug 27, 2026, 13:33 UTC

    We are investigating an outage impacting login, sheet access, Control Center, and Dynamic View. Our team is fully engaged in addressing the situation. We will provide frequent updates until we reach a monitoring status.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Smartsheet's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

How often does Smartsheet have incidents?

Smartsheet reported 10 incidents in the last 90 days, 8 of them major or critical. A typical incident lasted 3h 33m. See Smartsheet's uptime and incident history

Smartsheet outage on Aug 27, 2026: Unexpected HTTP response code affecting login, sheet access, Control Center, Dynamic View and other premium apps · APIStatus.watch