Cloudflare incident

Browser Isolation Session Initialization Failures

Resolved after 4 hours 49 minutes, affecting Browser Isolation and Gateway, on September 7, 2026.

monitoring Sep 07, 2026, 03:11 PM UTC

A fix has been implemented and we are monitoring the results.

Started
Sep 07, 2026, 02:25 PM UTC
Resolved
Sep 07, 2026, 07:14 PM UTC
Duration
4h 49m
Detected by Pingoru
Sep 07, 2026, 02:25 PM UTC

Affected components

Browser IsolationGateway

Update timeline

  1. investigating Sep 07, 2026, 02:25 PM UTC

    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.

  2. identified Sep 07, 2026, 02:59 PM UTC

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

  3. monitoring Sep 07, 2026, 03:11 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Sep 07, 2026, 07:14 PM UTC

    This incident has been resolved.

Your product runs on more than Cloudflare

Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.

Add your stack →