CVE-2026-61128: Medium severity Oracle MySQL Server vulnerability

Published Jul 21, 2026
·
Updated

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 9.7.0-9.7.1; MySQL Cluster: 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 unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Affected Software

6 affected components
Oracle MySQL Server>=9.7.0<=9.7.1
Oracle MySQL Cluster>=9.7.0<=9.7.1
Oracle MySQL Server=9.7.0
Oracle MySQL Server=9.7.1
Oracle MySQL Cluster=9.7.0
Oracle MySQL Cluster=9.7.1

Event History

Jul 21, 2026
CVE Published
via MITRE·09:38 PM
Data Sourced
via MITRE·09:38 PM
DescriptionSeverity
Data Sourced
via NVD·10:18 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-61128?

CVE-2026-61128 has a medium severity rating of 4.9.

2

Which versions are affected by CVE-2026-61128?

Affected versions of CVE-2026-61128 include MySQL Server 9.7.0-9.7.1 and MySQL Cluster 9.7.0-9.7.1.

3

How can I resolve CVE-2026-61128?

To address CVE-2026-61128, upgrade MySQL Server and MySQL Cluster to a version that is not affected, such as those released after 9.7.1.

4

What type of access is required to exploit CVE-2026-61128?

CVE-2026-61128 can be exploited by a high privileged attacker with network access.

5

What is the potential impact of CVE-2026-61128?

Exploitation of CVE-2026-61128 could lead to denial of service in MySQL Server and MySQL Cluster.

Contact

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