Servers and applications
CVE-2026-72678
Elasticsearch does not validate a size value taken from a user-supplied input before that value is used to reserve memory for an internal data structure. An authenticated user holding only read privileges can submit a single small crafted request to a product API endpoint that causes the node to attempt an excessively large allocation. The resulting memory exhaustion raises a fatal error that…
- Severity
- Medium 6.5
- Published
- 13 Aug 2026
- Last changed
- 1 Sept 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 8.19.20, 9.4.5, 9.5.1
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
ElasticsearchServers and applications · cpe:a:elastic:elasticsearch |
|