CVE-2026-101513

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Denial of Service in MySQL Cluster

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Oracle

Description

Vulnerability in the MySQL Cluster product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.37. Difficult to exploit vulnerability allows physical access to compromise MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Cluster. CVSS 3.1 Base Score 3.8 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-05

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101513

EUVD

EUVD-2026-105927

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	MySQL Cluster	8.0.0-8.0.37

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle MySQL Cluster (specifically the InnoDB component) affecting versions 8.0.0 to 8.0.37. It requires physical access to exploit and can cause the MySQL Cluster to hang or crash repeatedly, leading to a denial of service (DOS). The CVSS score is 3.8, indicating low severity with availability impact only.

Detection Guidance

Detection requires physical access to the system. Check MySQL Cluster logs for unusual crashes or hangs in versions 8.0.0-8.0.37. Monitor for repeated denial-of-service events.

Impact Analysis

If exploited, this vulnerability could disrupt MySQL Cluster operations, causing service outages or crashes. Since it requires physical access, the risk is limited to scenarios where an attacker gains direct access to the system.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR or HIPAA as it requires physical access to exploit and only causes denial of service. Compliance impacts would depend on how the affected system is used in a regulated environment.

Mitigation Strategies

Upgrade MySQL Cluster to a version beyond 8.0.37. Restrict physical access to systems running MySQL Cluster. Apply Oracle's security patches if available.

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