Outage in Zscaler

IdP-initiated Authentication Issue

Resolved Minor

April 08, 2026 - Started 24 days ago - Lasted about 2 hours

Incident Report

Summary AI Generated

Zscaler experienced authentication issues affecting customers using IdP-initiated authentication, causing login failures across zscaler.net and zscloud.net Cloud services. The problem was identified as previous mitigation efforts not propagating to a subset of Service Edges. The incident lasted 2.2 hours with teams actively working to restore services after identifying the fix.

Zscaler is currently investigating reports of issues with its zscaler.net, zscloud.net Cloud. Customers using IdP-initiated authentication may experience login failures.We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status changes and additional details will be posted there as they become available.Update - Wed, 08 Apr 2026 10:18:06 UTCThe Zscaler team has identified the issue: previous mitigation efforts did not propagate to a subset of Service Edges. Our teams are actively prioritizing this incident, have identified the fix, and are working to restore services.

Components affected

Zscaler Authentication

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