CVE-2026-101724: Medium severity Oracle MySQL Server vulnerability

Published Oct 20, 2026
·
Updated

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 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 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

2 affected components
Oracle MySQL Server>=8.4.0<=8.4.12, >=9.7.0<=9.7.3, >=26.7.0<=26.7.1
Oracle MySQL Cluster>=8.0.0<=8.0.49, >=8.4.0<=8.4.12, >=9.7.0<=9.7.3, >=26.7.0<=26.7.1

Event History

Oct 20, 2026
CVE Published
via MITRE·09:22 PM
Data Sourced
via MITRE·09:22 PM
DescriptionSeverity
Data Sourced
via NVD·10:18 PM
DescriptionSeverity

Frequently Asked Questions

1

Who is realistically exposed to this issue?

MySQL Server and MySQL Cluster deployments running the listed affected versions are exposed if a high-privileged attacker can reach them over the network through one of the relevant protocols. The issue affects the InnoDB component.

2

What level of access does an attacker need?

An attacker needs high privileges and network access. No user interaction is required, and the vulnerability is rated as low complexity to exploit.

3

What is the expected impact of a successful attack?

A successful attack can cause the affected MySQL Server or MySQL Cluster instance to hang or crash repeatedly, resulting in a complete denial of service. The provided CVSS vector indicates no confidentiality or integrity impact.

4

Which versions should be checked during triage?

Check MySQL Server 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1. For MySQL Cluster, check 8.0.0 through 8.0.49 as well as 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1.

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