---
id: CVE-2026-101722
title: >-
  mysql: mysql: unauthorized read access via connection handling
  (CVE-2026-101722)
summary: >-
  A flaw was found in the MySQL connection handling component. A remote attacker
  with low privileges and network access can exploit this vulnerability using
  multiple protocols. Successful exploitation results in unauthorized read
  access to a…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cvssSource: vendor
cwe: CWE-488
vendor: Red Hat
product: MySQL Server
affected:
  - mysql_server 9.7.0-9.7.3
  - mysql_server 26.7.0-26.7.1
  - mysql_cluster 9.7.0-9.7.3
  - mysql_cluster 26.7.0-26.7.1
published: '2026-10-20'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T19:21:01+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101722.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101722.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-101722'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2557921'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-101722'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101722'
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00301
epssPercentile: 0.22653
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-22T17:43:25.241303Z'
ingestedAt: '2026-10-20T22:23:33.942Z'
---

## Overview

A flaw was found in the MySQL connection handling component. A remote attacker with low privileges and network access can exploit this vulnerability using multiple protocols. Successful exploitation results in unauthorized read access to a subset of database data, leading to information disclosure.

## Vendor advisories

- **Red Hat VEX** · Moderate · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101722.json)

**mysql: mysql: unauthorized read access via connection handling** — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-23.

Not affected:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 9
- Red Hat Hardened Images

## Remediation

Refer to the advisory for fix availability.