CVE-2026-82294: Elastic Elasticsearch

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).

Affected products

• Elastic Elasticsearch: from 8.0.0, before 8.19.21 (fixed in 8.19.21); from 9.0.0, before 9.4.6 (fixed in 9.4.6); from 9.5.0, before 9.5.3 (fixed in 9.5.3)

Published 2026-09-26. Last modified 2026-09-29.