Smartsheet outage, 18 June 2026
Increased spam activity with Smartsheet Forms
- Started
- Resolved
- 8 Jul 2026, 20:46 UTC (after 19 days)
- Impact
- Minor
- Affected
- Forms
Last update from Smartsheet
Starting in late May, we observed a marked increase in volume and sophistication of spam submissions to public Smartsheet Forms \(forms available to the general public and not requiring a Smartsheet login\), even with the Captcha setting enabled. This resulted in some customers experiencing an increase in unwanted spam content, frequently containing cryptocurrency or phishing links, delivered into their sheets. The activity was generated by automated bots operating through anonymized networks and proxy services. This primarily impacted but was not limited to the US region. Once the abuse was identified, we evaluated, deployed, tested, and tuned a series of protective measures over the follo...
Read the full incident on the official Smartsheet status page
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