Current answer
Cloudflare experienced a minor incident: Browser Isolation Session Initialization Failures. ServiceAlert observed recovery on Sep 7, 2026.
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Incident Lifecycle
Affected Components
Browser Isolation
Gateway
Incident Timeline
Monitoring
A fix has been implemented and we are monitoring the results.
Customers still experiencing the issue may attempt to close all their Browser Isolation tabs for 2 minutes before starting a new session.
Customers still experiencing the issue may attempt to close all their Browser Isolation tabs for 2 minutes before starting a new session.
Sep 7, 2026 at 3:11 PM UTC
Identified
The issue has been identified and a fix is being implemented.
Sep 7, 2026 at 2:59 PM UTC
Investigating
We are investigating reports of customers encountering a white screen when attempting to access websites behind Browser Isolation. This is caused by Browser Isolation session initialization failing to complete. Our engineering team is actively working to identify and resolve the root cause.
Sep 7, 2026 at 2:25 PM UTC
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