Smartsheet experienced a major incident on January 18, 2026 affecting Smartsheet Login and Single Sign On ( Company Credentials ) and 1 more component, lasting 26m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 18, 2026, 05:09 AM UTC
We are investigating errors when accessing and loading the Smartsheet application. Our team is fully engaged in addressing the situation. We will provide frequent updates until we reach a monitoring status.
- monitoring Jan 18, 2026, 05:26 AM UTC
We are observing stability being restored for the Core Application. We are continuing to monitor it closely to confirm full service stability.
- resolved Jan 18, 2026, 05:36 AM UTC
Core Application functionality has been fully restored and is operating normally. The incident is now resolved.
- postmortem Jan 18, 2026, 05:41 AM UTC
Around 7:45pm Pacific Time, our engineering team identified errors when accessing Smartsheet or making changes to assets. We made changes to our infrastructure and and observed gradual recovery. Smartsheet fully recovered at 9:33pm Pacific Time.