---
id: CVE-2026-101785
title: >-
  mysql: MySQL: Unauthorized data modification in JSON component
  (CVE-2026-101785)
summary: >-
  A flaw was found in the MySQL Server JSON component. An authenticated remote
  attacker with low privileges can exploit this vulnerability over network
  protocols to modify, create, or delete accessible database records. Successful
  exploitati…
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: vendor
cwe: CWE-269
vendor: Red Hat
product: Red Hat Enterprise Linux 10
affected:
  - enterprise_linux 10
  - enterprise_linux 9
published: '2026-10-20'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T18:19:13+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101785.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101785.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-101785'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2557902'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-101785'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101785'
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00336
epssPercentile: 0.2682
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-22T17:02:21.394502Z'
ingestedAt: '2026-10-20T22:23:33.921Z'
---

## Overview

A flaw was found in the MySQL Server JSON component. An authenticated remote attacker with low privileges can exploit this vulnerability over network protocols to modify, create, or delete accessible database records. Successful exploitation can also result in a Denial of Service (DoS) by crashing or hanging the server, as well as unauthorized data disclosure.

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101785.json)

**mysql: MySQL: Unauthorized data modification in JSON component** — rated Important by Red Hat. Released 2026-10-20, updated 2026-10-23.

Affected:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9

No fix planned:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9

Not affected:

- Red Hat Enterprise Linux 6
- Red Hat Hardened Images

## Remediation

Affected