CVE-2026-46861: Oracle MySQL Ndb Cluster

Critical severity, CVSS 9.6. EPSS: 0.4% chance of exploitation in the next 30 days.

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. CVSS 3.1 Base Score 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).

Affected products

• Oracle MySQL Ndb Cluster: from 8.0.11, up to and including 8.0.46; from 8.4.0, up to and including 8.4.9; from 9.0.0, up to and including 9.7.0

Published 2026-06-17. Last modified 2026-06-18.