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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-56145

Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

Description

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user with permission to execute EQL sequence queries against an index they control can send a specially crafted query that triggers excessive memory consumption, causing the Elasticsearch node to crash.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Elastic Elasticsearch

Default version status: unaffected

  • 9.4.0 to ≤ 9.4.3affected
  • 8.0.0 to ≤ 8.19.17affected
  • 9.0.0 to ≤ 9.3.6affected

References