CVE-2026-101779

Analyzed Analyzed - Analysis Complete

Denial of Service in Oracle MySQL Server

Publication date: 2026-10-20

Last updated on: 2026-10-30

Assigner: Oracle

Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Telemetry). 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: 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-20

Last Modified

2026-10-30

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101779

EUVD

EUVD-2026-106180

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	mysql_cluster	From 26.7.0 (inc) to 26.7.1 (inc)
oracle	mysql_cluster	From 8.4.0 (inc) to 8.4.12 (inc)
oracle	mysql_cluster	From 9.7.0 (inc) to 9.7.3 (inc)
oracle	mysql_server	From 26.7.0 (inc) to 26.7.1 (inc)
oracle	mysql_server	From 8.4.0 (inc) to 8.4.12 (inc)
oracle	mysql_server	From 9.7.0 (inc) to 9.7.3 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in the MySQL Server and MySQL Cluster products affecting specific versions. It involves the Server: Telemetry component and allows a high privileged attacker with network access to cause a partial denial of service (DOS) in the affected systems.

Impact Analysis

The impact is limited to a partial denial of service in MySQL Server or MySQL Cluster. This means the systems may experience reduced availability but not complete failure. The vulnerability requires high privileges and network access to exploit.

Compliance Impact

This vulnerability causes a partial denial of service in MySQL Server or Cluster, which could impact availability of data processing systems. While not directly violating GDPR or HIPAA, such disruptions may affect compliance with requirements for data accessibility and timely processing.

Mitigation Strategies

Upgrade MySQL Server and MySQL Cluster to versions 8.4.13, 9.7.4, or 26.7.2 or later to address the vulnerability.

Hi! I’m here to help you understand CVE-2026-101779. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70

EPSS Chart

Security Radar

News mentioning this vulnerability

Loading related security news...