Security Advisory
CVE-2026-56145
6.5
MEDIUM
Vulnerability Description
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.
Published Date
July 21, 2026
Official Source
NIST NVD Advisory