Servers and applications
CVE-2026-72656
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…
- Severity
- Medium 6.5
- Published
- 13 Aug 2026
- Last changed
- 4 Sept 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 8.18.0
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
ElasticsearchServers and applications · cpe:a:elastic:elasticsearch |
|