Cloudanix VulnDB

CVE-2026-72656

Medium · 6.5

CVSS

6.5

EPSS

0.4%

Published

Aug 13, 2026

CISA due date

—

The record

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.

Affected packages

Ecosystem Package Introduced Fixed

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