Outage in Cloudflare
Browser Isolation Session Initialization Failures
Minor
September 07, 2026 - Started about 1 hour ago
Official incident page
Official incident page
Incident Report
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.
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Latest Updates ( sorted recent to last )
MONITORING
18 minutes ago - at 09/07/2026 03:11PM
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.
IDENTIFIED
30 minutes ago - at 09/07/2026 02:59PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
about 1 hour ago - at 09/07/2026 02:25PM
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.
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