On April 30, 2025, at 11:30 AM, users encountered login issues while trying to access the LeanIX platform. The Issue only affected non SSO customer.
By 11:53 AM on the same day, the problematic code was rolled back, successfully restoring functionality. The issue was subsequently resolved and redeployed without any further complications.
The incident was traced back to a bug in the user validation process that was introduced in preparation for the LeanIX sign-in rollout and its enhanced capabilities. This bug caused our User Management system (MTM) to reject logins from the LeanIX sign-in process.
The bug originated from an authentication workflow that involved multiple services. We will ensure the tests in the involved services are matching the expected interface contract.