FKIE_CVE-2026-26931

Vulnerability from fkie_nvd - Published: 2026-03-19 17:16 - Updated: 2026-03-20 13:39
Severity ?
5.7 (Medium) - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Memory Allocation with Excessive Size Value (CWE-789) in the Prometheus remote_write HTTP handler in Metricbeat can lead Denial of Service via Excessive Allocation (CAPEC-130).
References
security@elastic.cohttps://discuss.elastic.co/t/metricbeat-8-19-13-9-2-5-security-update-esa-2026-09/385532
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Memory Allocation with Excessive Size Value (CWE-789) in the Prometheus remote_write HTTP handler in Metricbeat can lead Denial of Service via Excessive Allocation (CAPEC-130)."
    },
    {
      "lang": "es",
      "value": "Asignaci\u00f3n de memoria con un valor de tama\u00f1o excesivo (CWE-789) en el gestor HTTP Prometheus remote_write en Metricbeat puede provocar denegaci\u00f3n de servicio mediante asignaci\u00f3n excesiva (CAPEC-130)."
    }
  ],
  "id": "CVE-2026-26931",
  "lastModified": "2026-03-20T13:39:46.493",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 3.6,
        "source": "security@elastic.co",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-19T17:16:23.320",
  "references": [
    {
      "source": "security@elastic.co",
      "url": "https://discuss.elastic.co/t/metricbeat-8-19-13-9-2-5-security-update-esa-2026-09/385532"
    }
  ],
  "sourceIdentifier": "security@elastic.co",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-789"
        }
      ],
      "source": "security@elastic.co",
      "type": "Secondary"
    }
  ]
}


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