{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0528", "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "state": "PUBLISHED", "assignerShortName": "elastic", "dateReserved": "2025-12-19T15:27:18.049Z", "datePublished": "2026-01-13T21:02:18.501Z", "dateUpdated": "2026-01-13T21:25:10.446Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Metricbeat", "vendor": "Elastic", "versions": [{"lessThanOrEqual": "7.17.29", "status": "affected", "version": "7.0.0", "versionType": "semver"}, {"lessThanOrEqual": "8.19.9", "status": "affected", "version": "8.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.1.9", "status": "affected", "version": "9.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.2.3", "status": "affected", "version": "9.2.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>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.</p>"}], "value": "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."}], "impacts": [{"capecId": "CAPEC-153", "descriptions": [{"lang": "en", "value": "CAPEC-153 Input Data Manipulation"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-129", "description": "CWE-129 Improper Validation of Array Index", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "shortName": "elastic", "dateUpdated": "2026-01-13T21:02:18.501Z"}, "references": [{"url": "https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519"}], "credits": [{"lang": "en", "value": "pkill-arjun", "type": "reporter"}], "source": {"discovery": "Elastic"}, "title": "Improper Input Validation in Metricbeat Leading to Denial of Service", "x_generator": {"engine": "Elastic CVE Publisher 0.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-13T21:23:21.867774Z", "id": "CVE-2026-0528", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-13T21:25:10.446Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-0528", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-13T21:23:21.867774Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-13T21:25:03.101Z"}}], "cna": {"title": "Improper Input Validation in Metricbeat Leading to Denial of Service", "source": {"discovery": "Elastic"}, "credits": [{"lang": "en", "type": "reporter", "value": "pkill-arjun"}], "impacts": [{"capecId": "CAPEC-153", "descriptions": [{"lang": "en", "value": "CAPEC-153 Input Data Manipulation"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Elastic", "product": "Metricbeat", "versions": [{"status": "affected", "version": "7.0.0", "versionType": "semver", "lessThanOrEqual": "7.17.29"}, {"status": "affected", "version": "8.0.0", "versionType": "semver", "lessThanOrEqual": "8.19.9"}, {"status": "affected", "version": "9.0.0", "versionType": "semver", "lessThanOrEqual": "9.1.9"}, {"status": "affected", "version": "9.2.0", "versionType": "semver", "lessThanOrEqual": "9.2.3"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519"}], "x_generator": {"engine": "Elastic CVE Publisher 0.0.1"}, "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "value": "<p>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.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-129", "description": "CWE-129 Improper Validation of Array Index"}]}], "providerMetadata": {"orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "shortName": "elastic", "dateUpdated": "2026-01-13T21:02:18.501Z"}}}, "cveMetadata": {"cveId": "CVE-2026-0528", "state": "PUBLISHED", "dateUpdated": "2026-01-13T21:25:10.446Z", "dateReserved": "2025-12-19T15:27:18.049Z", "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "datePublished": "2026-01-13T21:02:18.501Z", "assignerShortName": "elastic"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-0528", "lastModified": "2026-01-14T16:25:40.430", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security@elastic.co", "type": "Secondary"}]}, "published": "2026-01-13T21:15:50.647", "references": [{"source": "security@elastic.co", "url": "https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519"}], "sourceIdentifier": "security@elastic.co", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "security@elastic.co", "type": "Secondary"}]}

{}

{"created": "2026-01-14T11:07:49.917133+00:00", "updated": "2026-01-14T11:07:49.917163+00:00", "vendors": ["elastic", "elastic$PRODUCT$metricbeat"]}