CVE-2026-47023
Full vulnerability record from the local CVENow database.
Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Severity
MEDIUM
CVSS score
4.9
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-21 22:17:07.913000
Last modified
2026-10-24 19:10:00.127000
View original CVE JSON
{
"id": "CVE-2026-47023",
"sourceIdentifier": "[email protected]",
"published": "2026-07-21T22:17:07.913",
"lastModified": "2026-10-24T19:10:00.127",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)."
},
{
"lang": "es",
"value": "Vulnerabilidad en el MySQL Server, producto MySQL Cluster de Oracle MySQL (componente: Servidor: Replicación). Las versiones compatibles afectadas son MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 y 9.7.0-9.7.1. Una vulnerabilidad fácilmente explotable permite a un atacante con altos privilegios con acceso a la red a través de múltiples protocolos comprometer MySQL Server, MySQL Cluster. Los ataques exitosos de esta vulnerabilidad pueden resultar en la capacidad no autorizada de causar un cuelgue o un fallo repetible con frecuencia (DoS completo) de MySQL Server, MySQL Cluster. Puntuación Base CVSS 3.1 de 4.9 (Impactos en la disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Oracle Corporation",
"product": "MySQL Server",
"versions": [
{
"version": "8.4.0-8.4.10",
"status": "affected"
},
{
"version": "9.7.0-9.7.1",
"status": "affected"
}
]
},
{
"vendor": "Oracle Corporation",
"product": "MySQL Cluster",
"versions": [
{
"version": "8.0.0-8.0.47",
"status": "affected"
},
{
"version": "8.4.0-8.4.10",
"status": "affected"
},
{
"version": "9.7.0-9.7.1",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.2,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-23T15:26:42.822764Z",
"id": "CVE-2026-47023",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionStartIncluding": "8.4.0",
"versionEndIncluding": "8.4.10",
"matchCriteriaId": "20500A3C-1C84-4B5D-B46A-B74DF54640BD"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:oracle:mysql_server:9.7.0:*:*:*:*:*:*:*",
"matchCriteriaId": "A65991A5-C5F6-4C62-AF5A-BE5C0370EF7C"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:oracle:mysql_server:9.7.1:*:*:*:*:*:*:*",
"matchCriteriaId": "CC5CA0F1-FEF9-4DA8-B867-E9EF20A58512"
}
]
}
]
},
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
"versionStartIncluding": "8.0.0",
"versionEndIncluding": "8.0.47",
"matchCriteriaId": "AD39D6D1-36B9-403D-A8BD-3480AE92E9E7"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
"versionStartIncluding": "8.4.0",
"versionEndIncluding": "8.4.10",
"matchCriteriaId": "E6FD5365-6FD2-412C-B844-F0D29A9DD757"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:oracle:mysql_cluster:9.7.0:*:*:*:*:*:*:*",
"matchCriteriaId": "D804257D-F6E5-462B-AF71-48738704F36A"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:oracle:mysql_cluster:9.7.1:*:*:*:*:*:*:*",
"matchCriteriaId": "A9B75B87-48CD-4224-A585-E4D75492C5DB"
}
]
}
]
}
],
"references": [
{
"url": "https://www.oracle.com/security-alerts/cpujul2026.html",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}