R2 Availability Issues

lowCloudflareAug 7, 2026 18:42Duration: 31h 53m
apiauthentication
Authentication IssueAPI Issue

Summary

Availability has now been fully restored for all impacted R2 buckets, including the remaining objects uploaded through multipart uploads in ENAM.

Impact

minor

Timeline

Aug 7, 2026 18:42

[investigating] Cloudflare is aware, and investigating an issue affecting availability in ENAM for a small number of R2 buckets.

via statuspage
+0m
Aug 7, 2026 18:42

[investigating] Cloudflare is aware, and investigating an issue affecting availability for a small number of R2 buckets

via statuspage
+4h 12m
Aug 7, 2026 22:54

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

via statuspage
+0m
Aug 7, 2026 22:54

[identified] We have identified the cause and mitigated further impact. Writes to a small set of buckets in ENAM were impacted between 14:52-17:02 UTC. We are continuing to work to restore normal availability for these buckets.

via statuspage
+11m
Aug 7, 2026 23:05

[identified] We are continuing to work on a fix for this issue.

via statuspage
+11h 48m
Aug 8, 2026 10:52

[identified] We are continuing to restore availability for impacted R2 buckets in ENAM. Recovery is progressing well, and we will provide status updates as they becomes available

via statuspage
+12h 35m
Aug 8, 2026 23:28

[identified] Availability has been restored for nearly all impacted R2 buckets. A small number of objects uploaded through multipart uploads in ENAM between 14:52 and 17:02 UTC on August 7 remain unavailable. We are continuing to restore access and expect to be able to provide another update soon.

via statuspage
+3h 8m
Aug 9, 2026 02:35

[resolved] Availability has now been fully restored for all impacted R2 buckets, including the remaining objects uploaded through multipart uploads in ENAM.

via statuspage

Lessons Learned

Cloudflare has experienced 370 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to api, authentication have occurred 1063 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: Authentication Issue, API Issue. Consider implementing preventive measures specific to this failure category.