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CVE-2026-72656 Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

🗓️ 13 Aug 2026 19:13:26Reported by elasticType 
cvelist
 cvelist
🔗 www.cve.org👁 2 Views

Authenticated ES|QL query causes unbounded heap allocation in Elasticsearch, leading to denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-72656
13 Aug 202619:13
attackerkb
cve
CVE
CVE-2026-72656
13 Aug 202619:13
cve
elastic
Elastic
Elasticsearch 8.18.0, 9.0.0 Security Update (ESA-2026-111)
13 Aug 202610:46
elastic
euvd
EUVD
EUVD-2026-58279
13 Aug 202621:36
euvd
nvd
NVD
CVE-2026-72656
13 Aug 202620:17
nvd
vulnrichment
Vulnrichment
CVE-2026-72656 Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service
13 Aug 202619:13
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "Elasticsearch",
    "vendor": "Elastic",
    "versions": [
      {
        "status": "affected",
        "versionType": "semver",
        "version": "8.11.0",
        "lessThanOrEqual": "8.17.9"
      }
    ]
  }
]

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