Pantheon incident

Drupal 10/11 Site Creation Failing

Resolved after 5 hours 37 minutes, affecting Spinup Operations, on May 27, 2026.

monitoring May 27, 2026, 08:48 PM UTC

A fix has been implemented and site creation should be working again. Please contact Support if you continue to have issues with new site creation.

Started
May 27, 2026, 04:22 PM UTC
Resolved
May 27, 2026, 09:59 PM UTC
Duration
5h 37m
Detected by Pingoru
May 27, 2026, 04:22 PM UTC

Affected components

Spinup Operations

Update timeline

  1. investigating May 27, 2026, 04:22 PM UTC

    Site creation of Drupal 10 and 11 sites are failing due to a security vulnerability recently disclosed in the "symfony/polyfill-intl-idn" library. We are working on a fix to re-enable site creation functionality.

  2. identified May 27, 2026, 06:08 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring May 27, 2026, 08:48 PM UTC

    A fix has been implemented and site creation should be working again. Please contact Support if you continue to have issues with new site creation.

  4. resolved May 27, 2026, 09:59 PM UTC

    This incident has been resolved.

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