Resolved
Cloudflare Workers AI · Incident record · Jun 2, 04:48 UTC

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

41/100
User-Impact Score · Degraded
2026-06-02 05:04 UTC — UIS 41
startedresolved

12h 41m · Cloudflare Workers AI · scope unspecified · single-source — not confirmed.

Cite this incidentBibTeX · APA · MLA · Chicago · RIS
ai-receipts. (2026, June 2). Customers with traffic using China Network may see an increased in Challenge failures [Incident record, methodology v1.0]. ai-receipts. https://aireceipts.org/incidents/cloudflare_ai:p4zq3cvcc9rh
Embed this incidentiframe · CC-BY-4.0
<iframe src="https://aireceipts.org/incidents/cloudflare_ai:p4zq3cvcc9rh?embed=1" title="Cloudflare Workers AI: Customers with traffic using China Network may see an increased in Challenge failures — ai-receipts incident record" width="100%" height="420" loading="lazy" style="border:1px solid #e4e4e7"></iframe>
<p><a href="https://aireceipts.org/incidents/cloudflare_ai:p4zq3cvcc9rh">Source: ai-receipts</a> · CC-BY-4.0</p>

Data record

UIS
41/100
Status
resolved
Started (UTC)
2026-06-02 04:48
Duration
12h 41m
Components
Cloudflare Sites and Services - Challenge Platform, Cloudflare Sites and Services - Turnstile
Scope
scope unspecified — see methodology limitations
Confirmation
Unconfirmed — single source or weak corroboration only.
Methodology
v1 · how this score was computed · provider status page

Evidence chain

Showing the first 100 of 8,698 provider updates. Full record in /data (8,598 additional rows).

  1. Jun 2, 04:48 UTC
    [investigating]

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

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  2. Jun 2, 04:48 UTC
    [investigating]

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

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  3. Jun 2, 04:48 UTC
    [investigating]

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

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  4. Jun 2, 04:48 UTC
    [investigating]

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

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  5. Jun 2, 04:48 UTC
    [investigating]

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

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  6. Jun 2, 04:48 UTC
    [investigating]

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

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  7. Jun 2, 04:48 UTC
    [investigating]

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

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  8. Jun 2, 04:48 UTC
    [investigating]

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

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  9. Jun 2, 04:48 UTC
    [investigating]

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

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  10. Jun 2, 04:48 UTC
    [investigating]

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

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  11. Jun 2, 04:48 UTC
    [investigating]

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

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  12. Jun 2, 04:48 UTC
    [investigating]

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

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  13. Jun 2, 04:48 UTC
    [investigating]

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

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  14. Jun 2, 04:48 UTC
    [investigating]

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

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  15. Jun 2, 04:48 UTC
    [investigating]

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

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  16. Jun 2, 04:48 UTC
    [investigating]

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

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  17. Jun 2, 04:48 UTC
    [investigating]

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

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  18. Jun 2, 04:48 UTC
    [investigating]

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

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  19. Jun 2, 04:48 UTC
    [investigating]

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

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  20. Jun 2, 04:48 UTC
    [investigating]

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

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  21. Jun 2, 04:48 UTC
    [investigating]

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

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  22. Jun 2, 04:48 UTC
    [investigating]

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

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  23. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  24. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  25. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  26. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  27. Jun 2, 04:48 UTC
    [investigating]

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

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  28. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  29. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  30. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  31. Jun 2, 04:48 UTC
    [investigating]

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

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  32. Jun 2, 04:48 UTC
    [investigating]

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

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  33. Jun 2, 04:48 UTC
    [investigating]

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

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  34. Jun 2, 04:48 UTC
    [investigating]

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

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  35. Jun 2, 04:48 UTC
    [investigating]

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

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  36. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  37. Jun 2, 04:48 UTC
    [investigating]

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

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  38. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  39. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  40. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  41. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  42. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  43. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  44. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  45. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  46. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  47. Jun 2, 04:48 UTC
    [investigating]

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

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  48. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  49. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  50. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  51. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  52. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  53. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  54. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  55. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  56. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  57. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  58. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  59. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  60. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  61. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  62. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  63. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  64. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  65. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  66. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  67. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  68. Jun 2, 04:48 UTC
    [investigating]

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

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  69. Jun 2, 04:48 UTC
    [investigating]

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

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  70. Jun 2, 04:48 UTC
    [investigating]

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

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  71. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  72. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  73. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  74. Jun 2, 04:48 UTC
    [investigating]

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

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  75. Jun 2, 04:48 UTC
    [investigating]

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

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  76. Jun 2, 04:48 UTC
    [investigating]

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

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  77. Jun 2, 04:48 UTC
    [investigating]

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

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  78. Jun 2, 04:48 UTC
    [investigating]

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

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  79. Jun 2, 04:48 UTC
    [investigating]

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

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  80. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  81. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  82. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  83. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  84. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  85. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  86. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  87. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  88. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  89. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  90. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  91. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  92. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  93. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  94. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  95. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  96. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  97. Jun 2, 04:48 UTC
    [investigating]

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

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  98. Jun 2, 04:48 UTC
    [investigating]

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

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  99. Jun 2, 04:48 UTC
    [investigating]

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

    permalink
  100. Jun 2, 04:48 UTC
    [investigating]

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

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