Critical incident

Cornerstone: Major Issue - Internal Server Error on SSO Login Page - EU and UK Region

Affected: Response Time, Response Time, Response Time, Response Time

Current status of Cornerstone: Operational — live Cornerstone status

Timeline

1. Nov 6, 2026, 14:35 UTC
   investigating
   The EU(FRA) and UK swimlane customers may experience an Internal Server Error (HTTP 500) when users try to login with SSO. The issue is limited to the customers with the GSSO setup. This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
2. Nov 6, 2026, 15:21 UTC
   monitoring
   A fix has been implemented and we are monitoring the results.
3. Nov 6, 2026, 16:23 UTC
   monitoring
   We are continuing to monitor for any further issues.

Updates as published by Cornerstone (original).