Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

The versions of MySQL Cluster installed on the remote host are affected by multiple vulnerabilities as referenced in the June 2026 CPU advisory.

  - Vulnerability in the MySQL NDB Cluster product of Oracle MySQL (component: Cluster: NDB Operator). Supported     versions that are affected are 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability     allows low privileged attacker with network access via HTTP to compromise MySQL NDB Cluster. While the     vulnerability is in MySQL NDB Cluster, attacks may significantly impact additional products (scope change).
    Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to     critical data or all MySQL NDB Cluster accessible data as well as unauthorized access to critical data or complete     access to all MySQL NDB Cluster accessible data. (CVE-2026-46861)

  - Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported     versions that are affected are 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability     allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Cluster. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash     (complete DOS) of MySQL Cluster. (CVE-2026-46863)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The versions of MySQL Server installed on the remote host are affected by a vulnerability as referenced in the June 2026 CPU advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Connection Handling). Supported     versions that are affected are 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows     unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks     of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. (CVE-2026-46863)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
321537	Oracle MySQL Cluster 9.x < 9.7.1 (June 2026 CPU)	Nessus	Databases	critical
321536	Oracle MySQL Cluster 8.4.x < 8.4.10 (June 2026 CPU)	Nessus	Databases	critical
321535	Oracle MySQL Cluster 8.0.x < 8.0.47 (June 2026 CPU)	Nessus	Databases	critical
321533	Oracle MySQL Server 8.4.x < 8.4.10 (June 2026 CPU)	Nessus	Databases	high
321532	Oracle MySQL Server 9.x < 9.7.1 (June 2026 CPU)	Nessus	Databases	high

Detections

Analytics

CVE-2026-46863

high

Tenable Plugins

critical

critical

critical

high

high