CVE-2026-72645
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Aug 13, 2026
Vendor
unknown
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.