🤖 AI Summary
CloudflareのBot管理に関する問題に関する報告書です。5月6日から18日にかけて、特定のルールID（50331648, 50331649）が予期せずにトラフィックを認識し始めました。これが一部の顧客に対して不正な要求を識別する原因となり、一時的に機能が停止しました。Cloudflareはこの問題を解決するために2日間の安定化期間が必要と判断し、5月18日に監視モードに戻しました。
主要な更新点は以下の通りです：
- 5月6日：不正な要求を識別する機能が予期せずに動作し始めたことを確認。
- 5月9日：問題の解決に必要な修正が適用され、検出結果が安定化するまで48時間かかると報告。
- 5月15日：影響範囲が2026年4月1日前後の一部のBot Managementの顧客にも及ぶことが判明し、機能を一時停止。
- 5月18日：検出モードを再開し、システム性能と顧客への影響を続ける監視。
この問題はCloudflare Sites and Services（Bot Management）に影響を与え、詳細な更新情報を提供するために電子メール通知のサブスクリプションが推奨されています。
May 18, 21:59 UTC
Resolved - This incident has been resolved.
May 18, 11:06 UTC
Monitoring - Following a stable monitoring period over the weekend, we are now turning the detections back on for detection IDs: 50331648, 50331649 via a gradual, phased release.
We will continue to closely monitor system performance and customer impact throughout this rollout to ensure ongoing stability.
May 15, 13:19 UTC
Update - We are continuing to update the identified issues with our Bot Management features for the rule IDs: 50331648, 50331649. After an additional review, we determined that impact existed prior to April 1st, 2026, and was present for a subset of Bot Management Customers. We have disabled the affected feature globally to prevent further impact; we are currently monitoring for stability over the weekend and detections are scheduled to be re-enabled on Monday, May 18th.
May 11, 15:49 UTC
Update - We are continuing to update the identified issues with our Bot Management features for the rule IDs: 50331648, 50331649. After a additional review we determined that impact existed prior April 1st 2026, and was present for a subset of Bot Management Customers. We have disabled the affected feature globally to prevent further impact. An additional 72 hours is needed for stabilization, and review the detections.
May 9, 00:39 UTC
Update - We are continuing to update the identified issues with our Bot Management features for the rule IDs: 50331648, 50331649. We have disabled the affected feature globally to prevent further impact. An additional 72 hours is needed for stabilization, and review of the detections.
May 6, 09:39 UTC
Update - We have identified an issue with our Bot Management feature causing rules with IDs 50331648 and 50331649 to match traffic unexpectedly from April 1st 2026. Some customers using Bot Management may have seen an increase in requests flagged by these rules. We have disabled the affected feature to prevent further impact. A fix has been implemented, it will take 48 hours for detections to stabilize.
May 5, 15:59 UTC
Update - We have identified an issue with our Bot Management feature causing rules with IDs 50331648 and 50331649 to match traffic unexpectedly. Customers using Bot Management may have seen an increase in requests flagged by these rules. We have disabled the affected feature to prevent further impact. Our team is actively working on a fix.
May 5, 09:17 UTC
Identified - The issue has been identified and a fix is being implemented.
May 5, 08:04 UTC
Investigating - Cloudflare is investigating issues with our Bot Management feature. Customers may experience an unexpected increase in Bot Management rules matching detection IDs 50331648 and 50331649.
We are working to mitigate this problem. More updates to follow shortly.
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