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Cloudflare · Cloud and hostingSep 24, 2026, 17:26 UTC

Browser isolation session data sync issues

MinorNot disclosedUpdated 6h ago
Sep 24, 17:26 UTCSep 24, 22:37 UTC
Duration
5h 11m
Impact
Minor
Root cause
Not disclosed
Cloudflare, 90 days
56 incidents
Affected
Browser IsolationCloudflare Sites and Services - Browser Isolation
Status page

Final update

This incident has been resolved.

Timeline

  1. Resolved · Sep 24, 22:37 UTC
    This incident has been resolved.
  2. Monitoring · Sep 24, 17:28 UTC
    A fix has been implemented and we are monitoring the results.
  3. Identified · Sep 24, 17:26 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.

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Full history

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