CVE-2026-101786: High severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 26.7.0-26.7.1; MySQL Cluster: 26.7.0-26.7.1. 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 takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already have high privileges and network access to the affected MySQL Server or MySQL Cluster instance. No user interaction is required, and the issue is described as exploitable through multiple protocols.
Which deployments are affected?
Affected supported versions are MySQL Server 26.7.0 through 26.7.1 and MySQL Cluster 26.7.0 through 26.7.1. The available information does not state whether a particular default configuration is required.
What is the potential impact of successful exploitation?
Successful exploitation can result in takeover of the affected MySQL Server or MySQL Cluster. Confidentiality, integrity, and availability can all be impacted.