REDHAT-BUG-2505509: High severity Oracle MySQL Server vulnerability

Published Jul 21, 2026
·
Updated

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 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

2 affected components
Oracle MySQL Server>=8.4.0<=8.4.10, >=9.7.0<=9.7.1
Oracle MySQL Cluster>=8.0.0<=8.0.47, >=8.4.0<=8.4.10, >=9.7.0<=9.7.1

Event History

Jul 21, 2026
Data Sourced
via Red Hat·10:34 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What level of access does an attacker need to exploit this issue?

The attacker must already hold high privileges and have network access to the affected MySQL Server or MySQL Cluster instance. No user interaction is required, and the attack complexity is rated low.

2

Which deployments should be prioritized for remediation?

Prioritize network-reachable MySQL Server versions 8.4.0 through 8.4.10 and 9.7.0 through 9.7.1, along with MySQL Cluster versions 8.0.0 through 8.0.47, 8.4.0 through 8.4.10, and 9.7.0 through 9.7.1. The affected component is Server Replication.

3

What is the potential impact of successful exploitation?

A successful attack can result in takeover of the affected MySQL Server or MySQL Cluster deployment. Confidentiality, integrity, and availability can all be impacted at a high level.

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