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Outage in Smartsheet

Increased spam activity with Smartsheet Forms

Resolved Minor
June 18, 2026 - Started about 1 month ago - Lasted 20 days
Official incident page

Incident Report

Summary AI Generated

Smartsheet experienced a nearly 20-day incident where customers using public (non-login-required) forms received significantly elevated volumes of spam submissions, bypassing reCAPTCHA protections. The issue was addressed through a series of incremental anti-spam mitigations deployed by Smartsheet's teams. The incident was resolved on July 8, 2026, with ongoing monitoring in place and support available for any residual spam.

We are aware that some customers are receiving an increased volume of unwanted spam submissions through public Smartsheet forms, even with reCAPTCHA enabled. Our teams have been actively investigating and deploying additional protections. We are observing a decrease in spam activity as we continue applying and evaluating further mitigations. Who is affected: Customers who use public forms that do not require login.
Components affected
Smartsheet Forms

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Latest Updates ( sorted recent to last )
RESOLVED 11 days ago - at 07/08/2026 08:46PM

This is now resolved. We are still actively monitoring spam levels as an ongoing and evolving strategy. We encourage all customers to submit support tickets for any residual spam coming through so we can continue to fine tune our solutions.

MONITORING 26 days ago - at 06/23/2026 07:44AM

We have implemented measures to address the increased spam activity with Smartsheet public forms. We will continue monitoring and make further adjustments as needed.

If you are continuing to see a high rate of spam submissions, please contact our support team so that we can investigate further.

IDENTIFIED about 1 month ago - at 06/18/2026 09:42PM

We are aware that some customers are receiving an increased volume of unwanted spam submissions through public Smartsheet forms, even with reCAPTCHA enabled. Our teams have been actively investigating and deploying additional protections. We are observing a decrease in spam activity as we continue applying and evaluating further mitigations.

Who is affected:
Customers who use public forms that do not require login.

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