REDHAT-BUG-2505643: Medium severity Oracle MySQL Server vulnerability

Published Jul 21, 2026
·
Updated

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). 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 logon to the infrastructure where MySQL Server, MySQL Cluster executes 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 6.4 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/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·10:40 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

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

An attacker must be highly privileged and able to log on to the infrastructure where MySQL Server or MySQL Cluster is running. The CVSS vector identifies the attack as local, requires high privileges, and does not require user interaction.

2

Which product versions are identified as affected?

Affected MySQL Server versions are 8.4.0 through 8.4.10 and 9.7.0 through 9.7.1. Affected MySQL Cluster versions are 8.0.0 through 8.0.47, 8.4.0 through 8.4.10, and 9.7.0 through 9.7.1.

3

What is the potential impact if exploitation succeeds?

Successful exploitation can result in takeover of the affected MySQL Server or MySQL Cluster instance. The stated impacts include high confidentiality, integrity, and availability impact.

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