---
id: CVE-2026-101771
title: >-
  Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL
  (component: Client programs)
summary: >-
  Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL
  (component: Client programs).  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…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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: '2026-10-20T21:22:50.033Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-101771'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.926Z'
---

## Overview

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs).  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. Difficult to exploit vulnerability allows unauthenticated 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 8.1 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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.