Cloudflare experienced a minor incident on September 24, 2026 affecting Browser Isolation, lasting 5h 11m. The incident has been resolved; the full update timeline is below.
Affected components
Browser Isolation
Update timeline
- identified Sep 24, 2026, 05:26 PM UTC
Cloudflare is investigating issues with Browser Isolation's session data sync. Customers that use Browser Isolation may observe errors on acquiring a browser stating that browser storage is unavailable, and they will need to sign into web apps again. They will continue to be able to use browsers during this time.
- monitoring Sep 24, 2026, 05:28 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Sep 24, 2026, 10:37 PM UTC
This incident has been resolved.