CVE-2026-101753

Analyzed Analyzed - Analysis Complete

Denial of Service in Oracle MySQL Server

Publication date: 2026-10-20

Last updated on: 2026-10-28

Assigner: Oracle

Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: RAPID). Supported versions that are affected are MySQL Server: 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit 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 hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-28

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101753

EUVD

EUVD-2026-106154

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	mysql_cluster	From 26.7.0 (inc) to 26.7.1 (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 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 Oracle MySQL Server and MySQL Cluster affecting versions 9.7.0-9.7.3 and 26.7.0-26.7.1. It involves the RAPID component and allows a high-privileged attacker with network access to cause a denial of service (DOS) by crashing the server repeatedly.

Detection Guidance

This vulnerability affects MySQL Server and MySQL Cluster versions 9.7.0-9.7.3 and 26.7.0-26.7.1. To detect it, check your MySQL version using commands like 'mysql --version' or 'mysqld --version'. If your version falls within the affected range, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could lead to frequent crashes or hangs of your MySQL Server or MySQL Cluster, disrupting database operations and causing downtime. This impacts availability of services relying on these databases.

Compliance Impact

This vulnerability causes denial-of-service (DoS) conditions in MySQL Server and MySQL Cluster, leading to system unavailability. Such disruptions can violate compliance requirements in GDPR (availability of personal data processing systems) and HIPAA (access to protected health information systems).

Mitigation Strategies

Upgrade MySQL Server and MySQL Cluster to versions beyond the affected ranges (9.7.3, 26.7.1). Apply patches from Oracle as soon as they are available to address the vulnerability in the Server: RAPID component.

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