---
id: CVE-2026-101779
title: >-
  mysql: mysql: Partial Denial of Service via Telemetry component
  (CVE-2026-101779)
summary: >-
  A flaw was found in the MySQL Server Telemetry component. A remote attacker
  with high privileges and network access can exploit this vulnerability over
  multiple protocols to cause a partial Denial of Service (DoS). Successful
  exploitation …
severity: low
cvss: 2.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L'
cvssSource: vendor
cwe: CWE-400
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: '2026-10-23T00:38:18+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101779.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101779.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-101779'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2557393'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-101779'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101779'
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00266
epssPercentile: 0.18407
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-22T17:02:13.490669Z'
ingestedAt: '2026-10-20T22:23:33.924Z'
---

## Overview

A flaw was found in the MySQL Server Telemetry component. A remote attacker with high privileges and network access can exploit this vulnerability over multiple protocols to cause a partial Denial of Service (DoS). Successful exploitation can lead to unauthorized degradation of database service availability.

## Vendor advisories

- **Red Hat VEX** · Low · 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-2026-101779.json)

**mysql: mysql: Partial Denial of Service via Telemetry component** — rated Low 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