CVE-2026-72656 Affecting ruby3.2-elasticsearch package, versions <9.0.0-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-RUBY32ELASTICSEARCH-19008745
- published20 Aug 2026
- disclosed13 Aug 2026
Introduced: 13 Aug 2026
NewCVE-2026-72656 (opens in a new tab)How to fix?
Upgrade Minimos:latest ruby3.2-elasticsearch to version 9.0.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby3.2-elasticsearch package and not the ruby3.2-elasticsearch package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
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 become unavailable.