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Pantheon

Drupal 10/11 Site Creation Failing

Partial outage Lasted 5h 38m · started · Pantheon's page

Level
confirmed
Worst impact
Partial outage
Components
Spinup Operations
Down Index
32of 100

What to do

  • Check whether you use Pantheon Spinup Operations. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 5h 38m it lasted.

    Anything that failed between 2026-05-27 16:22 UTC and 2026-05-27 21:59 UTC may need a replay.
  • Subscribe to Pantheon's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=pantheon works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Pantheon 4

  1. investigating

    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.

    provider

  2. identified

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

    provider

  3. monitoring

    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.

    provider

  4. resolved

    This incident has been resolved.

    provider

Reports count in aggregate; nothing about you is shown.

Corrections

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Questions about DWN-ed09cdac92

Is Pantheon still down?

No, this incident was resolved 2026-05-27 21:59 UTC. For Pantheon's live state, see https://down.guide/pantheon.

How long did it last?

5h 38m, from 2026-05-27 16:22 UTC to 2026-05-27 21:59 UTC, by the times Pantheon posted.

What was affected?

Pantheon named Spinup Operations.

What caused it?

Pantheon hasn't published a root cause. If it does, it shows here.

Where does this come from?

Pantheon's official status page, https://status.pantheon.io, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.