Cloudflare Status · History · Incident #4217

RESOLVED

Customers with traffic using China Network may see an increased in Challenge failures

Minor · Started Jun 2, 2026 · 4:48 AM

Duration

12h 40m
Severity

Minor
Detection lead

—
User reports

—

Summary

Customers with traffic using China Network may see an increased in Challenge failures

This incident has been resolved.

Started

Jun 2, 2026 · 4:48 AM
Resolved

Jun 2, 2026 · 5:28 PM
Duration

12h 40m
Severity

Minor

Event timeline

How this incident unfolded

◐

Investigating
Jun 2 · 4:48 AM Cloudflare

Cloudflare is aware that some customers may see an increased in Challenge failures within the China network. We are currently investigating the issue.
◆

Identified
Jun 2 · 6:08 AM Cloudflare

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

Monitoring
Jun 2 · 7:16 AM Cloudflare

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

Resolved
Jun 2 · 5:28 PM Cloudflare

This incident has been resolved.

Pattern

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