CVE-2026-46936: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: DDL). 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. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected Software
Event History
Frequently Asked Questions
Who is realistically exposed to this vulnerability?
Exposure is limited to affected MySQL Server and MySQL Cluster deployments that can be reached over the network by an attacker who already has high privileges. The issue affects availability only: a successful attack can hang or repeatedly crash the service, causing complete denial of service.
What does an attacker need to exploit it?
An attacker needs network access through one of the supported protocols and high privileges on the target. No user interaction is required, but the attack is rated high complexity.
How can I determine whether my deployment is affected?
Affected supported versions are MySQL Server 8.4.0 through 8.4.10 and 9.7.0 through 9.7.1; MySQL Cluster 8.0.0 through 8.0.47, 8.4.0 through 8.4.10, and 9.7.0 through 9.7.1. Deployments outside those listed ranges are not identified as affected by the provided advisory.