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CVE-2026-72678

🗓️ 13 Aug 2026 19:11:02Reported by elasticType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Elasticsearch allocates excessive memory from unchecked user-supplied size value, crashing nodes via single read-privileged request.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-72678
13 Aug 202619:11
attackerkb
cvelist
Cvelist
CVE-2026-72678 Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service
13 Aug 202619:11
cvelist
elastic
Elastic
Elasticsearch 8.19.20, 9.4.5, 9.5.1 Security Update (ESA-2026-80)
13 Aug 202610:47
elastic
euvd
EUVD
EUVD-2026-58252
13 Aug 202621:36
euvd
nvd
NVD
CVE-2026-72678
13 Aug 202620:17
nvd
[
  {
    "defaultStatus": "unaffected",
    "product": "Elasticsearch",
    "vendor": "Elastic",
    "versions": [
      {
        "status": "affected",
        "versionType": "semver",
        "version": "8.19.0",
        "lessThanOrEqual": "8.19.19"
      },
      {
        "status": "affected",
        "versionType": "semver",
        "version": "9.4.0",
        "lessThanOrEqual": "9.4.4"
      },
      {
        "status": "affected",
        "versionType": "semver",
        "version": "9.5.0"
      }
    ]
  }
]

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13 Aug 2026 21:18Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.16.5
9