CVE-2026-72645

6.5 Moyenne

Publiée le 13/08/2026 à 22:17 · Modifiée le 01/09/2026 à 17:31 · Analysée par le NVD · Source : security@elastic.co

Description

Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding only read privileges on a single index can submit one small, specially crafted search request that causes an excessively large memory allocation, exhausting the JVM heap and terminating the affected node.

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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-8-19-20-9-4-5-9-5-1-security-update-esa-2026-116/389502 Vendor Advisory

Ailleurs

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