---
id: CVE-2026-101622
title: >-
  Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL
  (component: InnoDB)
summary: >-
  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.…
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
vendor: Oracle Corporation
product: MySQL Server
affected:
  - mysql_server 8.4.0-8.4.12
  - mysql_server 9.7.0-9.7.3
  - mysql_server 26.7.0-26.7.1
  - mysql_cluster 8.0.0-8.0.49
  - mysql_cluster 8.4.0-8.4.12
  - mysql_cluster 9.7.0-9.7.3
  - mysql_cluster 26.7.0-26.7.1
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:21:56.824Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-101622'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.970Z'
---

## Overview

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

- `mysql_server 8.4.0-8.4.12`
- `mysql_server 9.7.0-9.7.3`
- `mysql_server 26.7.0-26.7.1`
- `mysql_cluster 8.0.0-8.0.49`
- `mysql_cluster 8.4.0-8.4.12`
- `mysql_cluster 9.7.0-9.7.3`
- `mysql_cluster 26.7.0-26.7.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.