---
id: CVE-2026-101785
title: >-
  Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL
  (component: Server: JSON)
summary: >-
  Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL
  (component: Server: JSON).  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.…
severity: high
cvss: 8.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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: '2026-10-20T21:22:55.150Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-101785'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.921Z'
---

## Overview

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON).  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 low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data as well as  unauthorized read access to a subset of MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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.