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CVE-2026-56145

6.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · elasticNVD modified 2026-10-24 19:10

Affected (CPE criteria) 1

  • cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*

References 1