MEDIUMVulnerability
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 become unavailable.
Properties
- severity
- MEDIUM
- score
- 6.5
- epss_score
- 0.0029
- cve_id
- CVE-2026-72656
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- published_at
- 2026-08-13T20:17:25.747
- last_modified
- 2026-08-28T15:32:26.217
- epss_percentile
- 0.21094
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Memory Allocation with Excessive Size Value
DESCRIBED_BY (1)
→[Source]NVD
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