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Google Cloud Storage Incident Causes Elevated Latencies and Errors

First seen 17 Oct 2026, 16:47 UTC •

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ThreatCluster AI
ThreatCluster •October 18, 2026 at 16:38 UTC
  • •Google Cloud Storage faced elevated latencies and errors on October 8-9, 2026.
  • •The incident was due to a localized capacity shortfall in backend nodes.
  • •Google is implementing measures to prevent future incidents.

On October 8-9, 2026, Google Cloud Storage (GCS) experienced significant latency and error rates during upload and write operations, affecting customers in the us-central1 region. The incident began on October 8 at 04:00 and lasted for 12 hours and 30 minutes, followed by a recurrence on October 9 that lasted for 5 hours and 41 minutes. The issue was attributed to a localized capacity shortfall in specific storage backend nodes. Google has stated that they are taking immediate steps to prevent future occurrences. No specific attack vector or external exploitation has been reported in relation to this incident.

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Timeline

2026-10-08
Incident begins
Google Cloud Storage experiences elevated write latency and error rates starting at 04:00.
Google Cloud Status
2026-10-09
Incident recurrence
A recurrence of elevated latencies and errors occurs in the us-central1-b zone from 04:05 to 09:46.
Google Cloud Status

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Common questions

Who was affected by the incident?
Google Cloud Storage customers in the us-central1 region experienced issues.
What caused the elevated latencies and errors?
The incident was caused by a localized capacity shortfall in specific storage backend nodes.
What steps is Google taking to prevent future incidents?
Google is taking immediate steps to ensure that similar issues do not occur again.