Smartsheet change history

Smartsheet’s major login incident caused intermittent blank pages or “upstream request timeout” errors, affecting Australia, Europe and the United States. It started at 2026-09-21 22:21 UTC and was resolved at 2026-09-22 03:43 UTC, lasting 5 h 21 min. Smartsheet attributed the issue to scheduled security maintenance on egress firewalls and confirmed login functionality was fully restored.

Smartsheet reported a major degradation affecting the Salesforce Connector and support case creation in the Customer Support Portal from 2026-09-16 10:36 UTC to 2026-09-16 21:02 UTC, lasting 10 h 26 min. The vendor attributed intermittent errors to an upstream CRM provider outage affecting instance stability and API availability across multiple regions; both services were fully restored.

Smartsheet reported a major US outage affecting login and application access, starting 2026-09-11 20:20 UTC and resolved at 2026-09-11 23:29 UTC (3 h 9 min). EU and AU were unaffected; the postmortem attributed the outage to a routine internal configuration change, which was corrected.

Smartsheet reported a critical outage affecting login, sheet access, Control Center, Dynamic View and other premium apps, disrupting access to customer work. It started at 2026-08-27 13:33 UTC and resolved at 2026-08-27 15:53 UTC, lasting 2 h 19 min; a fix was implemented at 08-27 13:52 UTC.

Smartsheet reported a critical US incident affecting sheet loading, Reports, Dashboards, and premium apps including Dynamic View, WorkApps, Resource Management, and Control Center. It started at 2026-08-26 13:28 UTC and resolved at 2026-08-26 18:23 UTC, lasting 4 h 55 min. Smartsheet implemented a fix and monitored recovery.

Smartsheet reported a critical outage from 2026-08-11 19:51 UTC to 2026-08-11 23:20 UTC (3 h 28 min), causing Sheets and Reports loading timeouts/failures and automation failures that disabled some workflows. Smartsheet attributed it to a database query-routing issue sending certain reads to primary write servers; a mitigation was applied before resolution.

Smartsheet reported major slowness and timeouts affecting sheets, premium apps, connectors, and API from 2026-07-30 14:54 UTC to 2026-07-30 17:41 UTC (2 h 47 min). Its postmortem separately described customer impact between approximately 11:00 and 15:57 UTC, attributing failures to a backend service under heavy CPU load during morning traffic ramp-up.

Smartsheet US had a major outage from 2026-07-15 09:23 UTC to 2026-07-15 09:55 UTC (32 min), causing incomplete loading during login or item access. Smartsheet attributed authorization-check errors to a routine system update temporarily directing some requests to unavailable infrastructure; a fix was implemented and the incident resolved.

Smartsheet reported a major outage of Smartsheet and Brandfolder add-ons for Google Docs, Sheets, and Slides from 2026-06-10 22:21 UTC to 2026-06-11 11:02 UTC, lasting 12 h 41 min. The postmortem says Google’s removal of an older runtime broke Smartsheet Merge for all ~234,000 users; code and deployment updates resolved it, with no customer data lost.

Smartsheet reported a major incident affecting CAPTCHA-enabled Forms: some users could not submit forms because of a problem with its reCAPTCHA verification endpoint. The incident started at 2026-04-13 16:33 UTC and was resolved at 2026-04-13 20:46 UTC, lasting 4 h 13 min; all form submissions are operating normally.

Smartsheet reported a major outage causing blank results or infinite loading on Admin Center User & Group Management pages. The recorded incident ran from 2026-03-24 15:16 UTC to 2026-03-24 18:30 UTC (3 h 13 min); the postmortem cited a shared-interface loading-indicator update as the cause. A fix restored stability; browser refresh or cache clearing might be necessary.

Smartsheet reported a major outage affecting form submissions reaching sheets and some API requests, starting 2026-03-03 17:16 UTC and resolved 2026-03-04 23:42 UTC (30 h 25 min). The vendor cited a code regression, rolled back deployment, and scaled queues; customers were told not to resubmit failed forms because manual replay was planned.

Brandfolder’s major reporting degradation caused stale or missing Insights dashboard data, subscription page metrics, and Insights Data Connector data; February reports were paused. The incident ran from 2026-02-27 21:55 UTC to 2026-03-24 17:57 UTC (24 days 20 h). Smartsheet attributed it to an out-of-sync database-to-analytics replication pipeline and reported implementing a fix.

Smartsheet’s critical PROD-AU outage made the Australia-region web app inaccessible after login, from 2026-02-22 12:17 UTC to 2026-02-22 14:45 UTC (2 h 27 min). The postmortem attributed it to an incorrect session-cookie validation configuration deployed to address performance; mitigation used a feature flag to reroute traffic.

Smartsheet reported a major outage preventing Resource Management Advanced reports from being created or refreshed in the US Production environment, from 2026-02-17 16:08 UTC to 2026-02-17 18:55 UTC (2 h 46 min). A failure linking Resource Management Workflows to the main Data Shuttle engine caused the disruption; rolling back the most recent Data Shuttle deployment restored service.

Smartsheet reported a major outage affecting application access, loading and asset changes, including Sheets, Reports, Dashboards and login. The incident started at 2026-01-18 05:09 UTC and was resolved at 2026-01-18 05:36 UTC, with a computed duration of 26 min. Smartsheet said infrastructure changes led to gradual recovery; no cause was stated.

Smartsheet reported major Document Generation delays affecting automations and manual requests to download documents or attach them to rows. The incident ran from 2025-12-04 18:55 UTC to 2025-12-04 21:26 UTC (2 h 31 min). Smartsheet attributed delays to increased back-end service load following a recent code change, implemented a fix, and confirmed full restoration.

Smartsheet reported a major incident affecting Login with Microsoft and Single Sign On ( Company Credentials ), starting 2025-10-29 16:56 UTC and resolved 2025-10-30 01:24 UTC, lasting 8 h 28 min. Customers experienced authentication errors attributed to an Azure incident and a third-party authentication provider; a fix was implemented before resolution.

Brandfolder reported a major incident affecting SendGrid invitations and notifications; customers could also see “Your account was frozen due to unpaid invoices.” The incident ran from 2025-10-27 12:51 UTC to 2025-10-27 14:56 UTC (2 h 5 min). Smartsheet attributed email delays to a third-party email processing disruption and reported implementing a fix.

Smartsheet reported a major incident affecting sheet attachment access and rendering of conditional formatting or filters, starting 2025-10-14 16:39 UTC and resolved at 2025-10-14 21:10 UTC (4 h 30 min). Customers could see “This action has been disabled”; Smartsheet attributed the issue to a recent code change and deployed a fix.

Smartsheet reported a major Data Shuttle degradation: some customers experienced slow loading and UI unresponsiveness. The incident started at 2025-08-27 13:43 UTC and was resolved at 2025-08-27 17:44 UTC, with a recorded duration of 4 h 0 min. A fix was implemented at 08-27 14:47 UTC.

Smartsheet reported a critical outage affecting application loading, login, Sheets, Reports, Forms and Dashboards from 2025-08-26 00:34 UTC to 2025-08-26 03:01 UTC (2 h 26 min). The vendor’s postmortem attributed unavailability to an internal service deployment and said a rollback restored service, but described a different incident date.

Smartsheet reported a major outage preventing some customers from accessing and navigating the application, starting 2025-07-16 00:27 UTC and resolved at 2025-07-16 02:45 UTC (2 h 17 min). Increased traffic to a core service overwhelmed another critical internal service; Smartsheet adjusted traffic and scaled affected services.