Medium severity6.5NVD Advisory· Published Aug 13, 2026· Updated Aug 13, 2026
CVE-2026-72645
CVE-2026-72645
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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Affected products
2Patches
Vulnerability mechanics
References
1News mentions
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