Changes / Segment / SSO Login Issues with the Segment App
Segment: Major incident: SSO Login Issues with the Segment App
Summary
Some customers could not log in to the Segment app via SSO, affecting Web Interface (US). Segment marked the incident major; it ran from 2026-09-10 14:28 UTC to 2026-09-10 15:39 UTC, lasting 1 h 11 min. Segment reported mitigation and fully restored SSO login but did not disclose the root cause.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: SSO Login Issues with the Segment App
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-09-10 14:28 UTC
Before: not present
After: 2026-09-10 15:39 UTC
Before: not present
After: Web Interface (US), Web Interface - Web Interface (US)
Before: not present
After: We are actively investigating an issue in which some customers are unable to login to the Segment app via SSO.
Before: not present
After: The root cause of the issue with SSO login has been identified and we are working on a fix.
Before: not present
After: The issue has been mitigated, and SSO login is now fully functional for the Segment app.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: SSO Login Issues with the Segment App (this change) Some customers could not log in to the Segment app via SSO, affecting Web Interface (US). Segment marked the incident major; it ran from 2026-09-10 14:28 UTC to 2026-09-10 15:39 UTC, lasting 1 h 11 min. Segment reported mitigation and fully restored SSO login but did not disclose the root cause. | Major incident |