Improper Input Validation in Metricbeat Leading to Denial of Service_CVE-2026-0528

{
    "lastseen": "",
    "description": "Improper Validation of Array Index (CWE-129) exists in Metricbeat can allow an attacker to cause a Denial of Service through Input Data Manipulation (CAPEC-153) via specially crafted, malformed payloads sent to the Graphite server metricset or Zookeeper server metricset. Additionally, Improper Input Validation (CWE-20) exists in the Prometheus helper module that can allow an attacker to cause a Denial of Service through Input Data Manipulation (CAPEC-153) via specially crafted, malformed metric data.",
    "published": "2026-01-13T21:02:18.501Z",
    "modified": "2026-01-13T21:02:18.501Z",
    "type": "cve",
    "title": "Improper Input Validation in Metricbeat Leading to Denial of Service",
    "source": "elastic",
    "references": "https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519",
    "id": "CVE-2026-0528",
    "bulletinFamily": "",
    "cwe": [
        "CWE-129"
    ],
    "cvelist": null,
    "sourceData": "Elastic Metricbeat 7.0.0\nElastic Metricbeat 8.0.0\nElastic Metricbeat 9.0.0\nElastic Metricbeat 9.2.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.5,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
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            "baseScore": 0,
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Metricbeat",
    "version": "7.0.0",
    "vendor": "Elastic",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
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    "ai_score": 0
}