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CVE-2026-63140 Reachable Assertion in Elasticsearch Leading to Denial of Service

🗓️ 21 Jul 2026 21:04:01Reported by elasticType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

Reachable assertion in Elasticsearch enables denial of service via a crafted null-value query.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "Elasticsearch",
    "vendor": "Elastic",
    "versions": [
      {
        "lessThanOrEqual": "9.3.7",
        "status": "affected",
        "version": "9.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.4.3",
        "status": "affected",
        "version": "9.4.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.19.18",
        "status": "affected",
        "version": "8.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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