Outage report · Partial outage
Elastic Cloud outage on Aug 5, 2026
Elasticsearch 9.5.0 contains a query-correctness defect
What happened
Elastic Cloud reported a partial outage starting Aug 5, 2026, 22:59 UTC. It was marked resolved at Aug 12, 2026, 08:59 UTC.
- The incident lasted 6d 10h from first report to resolution.
- Elastic Cloud had reported 17 other partial or major outages in the 90 days before it.
- 6 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Elastic Cloud
Elasticsearch 9.5.1 has been released and contains the fix for this issue. Customers running 9.5.0 should upgrade to 9.5.1. At this time we are considering this issue resolved and will be providing no further updates.
What our independent monitoring saw
Our independent monitoring of Elastic Cloud started after this incident, so this report is based on Elastic Cloud's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Elastic Cloud's overall reliability
Elastic Cloud has a reliability score of 26.9/100, with 91.19% effective uptime and 23 incidents over the last 90 days.
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