CVE-2026-72656

6.5 Moyenne

Publiée le 13/08/2026 à 22:17 · Modifiée le 04/09/2026 à 22:17 · Analysée par le NVD · Source : security@elastic.co

Description

Memory Allocation with Excessive Size Value (CWE-789) in the ES|QL query processing of Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user able to submit ES|QL queries could send a specially crafted query whose evaluation allocates an unbounded amount of heap memory, exhausting the available heap on the receiving node and causing the node to become unavailable.

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Produits concernés

Elasticsearch
Elastic elasticsearch

Scores CVSS

Version	Score	Source	Vecteur
3.1	6.5 Moyenne	security@elastic.co	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`

Faiblesses (CWE)

CWE-789

Références

https://discuss.elastic.co/t/elasticsearch-8-18-0-9-0-0-security-update-esa-2026-111/389495 Vendor Advisory

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories