MongoDB Atlas for Government: SSO login failures for some users
Incident Lifecycle
Incident Timeline
Monitoring
A fix has been implemented and we are monitoring the results. Users who were previously unable to log in via SSO should now be able to authenticate successfully.
Mar 19, 2026 at 10:15 PM UTC
Identified
Impact: Some users may be unable to log into the Atlas for Government UI using SSO. Specifically, users accessing Atlas for Government via a saved SSO login URL may receive an error, and users attempting to log in via a federated identity provider link may be unable to complete authentication.
Root cause: We have identified an issue with SSO routing that is preventing some federated login flows from completing successfully. These issues started around 2026-03-18 2:30 UTC.
What you might see...
Root cause: We have identified an issue with SSO routing that is preventing some federated login flows from completing successfully. These issues started around 2026-03-18 2:30 UTC.
What you might see...
Mar 19, 2026 at 12:24 AM UTC
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