Browser Isolation Session Initialization Failures

Summary

Browser Isolation Session Initialization Failures

This incident has been resolved.

• Started

  Sep 7, 2026 · 2:25 PM

• Resolved

  Sep 7, 2026 · 7:14 PM

• Duration

  4h 49m

• Severity

  Minor

• ◐

  Investigating

  Sep 7 · 2:25 PM Cloudflare

  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.

• ◆

  Identified

  Sep 7 · 2:59 PM Cloudflare

  The issue has been identified and a fix is being implemented.

• ◉

  Monitoring

  Sep 7 · 3:11 PM Cloudflare

  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.

• ✓

  Resolved

  Sep 7 · 7:14 PM Cloudflare

  This incident has been resolved.