CVE-2026-94398

Medium

Description

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

SeverityMedium
CVSS6.5
Exploit probability—
ProductElasticsearch
PublishedSep 26, 2026
First seenSep 26, 2026

How to fix

Update
  • elastic elasticsearch8.19.22, 9.4.7, 9.5.4 or later

Affected products

ProductAffected versionsFixed in
elastic elasticsearch8.12.0 ≤ v < 8.19.22, 9.0.0 ≤ v < 9.4.7, 9.5.0 ≤ v < 9.5.48.19.22, 9.4.7, 9.5.4

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CVE-2026-94398 · Elasticsearch · Dark Radar