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6.5 Medium

CVE-2026-102404 Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation…

Description

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.

Affected products and versions

Product Affected versions Fixed in
Elasticsearch 9.5 9.5.0 → 9.5.4 No fix stated
Elasticsearch 9.0 9.0.0 → 9.4.7 No fix stated
Elasticsearch 8.0 8.0.0 → 8.19.22 No fix stated

References

Timeline

  1. Published
  2. Last modified

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