CVE-2026-101613

Awaiting Analysis Awaiting Analysis - Queue

Denial of Service in Oracle MySQL Server

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Oracle

Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: DDL). 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: 8.0.0-8.0.49, 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 hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-101613

EUVD

EUVD-2026-106021

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	MySQL Server	8.4.0-8.4.12
Oracle Corporation	MySQL Server	9.7.0-9.7.3
Oracle Corporation	MySQL Server	26.7.0-26.7.1
Oracle Corporation	MySQL Cluster	8.0.0-8.0.49
Oracle Corporation	MySQL Cluster	8.4.0-8.4.12
Oracle Corporation	MySQL Cluster	9.7.0-9.7.3
Oracle Corporation	MySQL Cluster	26.7.0-26.7.1

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 Server and MySQL Cluster affecting specific versions. It involves the Server: DDL component and allows a high-privileged attacker with network access to cause a denial of service (DOS) by crashing or hanging the server repeatedly.

Detection Guidance

This vulnerability affects MySQL Server and MySQL Cluster versions listed. Detection requires checking installed versions against the affected ranges. Use commands like 'mysql --version' or 'mysqld --version' to check server versions. For MySQL Cluster, check 'ndb_mgmd --version' or 'ndbd --version'.

Impact Analysis

If exploited, this vulnerability can disrupt database operations by causing frequent crashes or hangs, leading to downtime and loss of availability for critical applications relying on MySQL.

Compliance Impact

This vulnerability primarily causes denial-of-service (DoS) conditions in MySQL Server and MySQL Cluster, leading to system unavailability. While it does not directly expose data, prolonged downtime could impact compliance with regulations like GDPR (data processing availability) or HIPAA (system reliability for protected health information). However, the CVE does not provide specific compliance implications.

Mitigation Strategies

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

Hi! I’m here to help you understand CVE-2026-101613. 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...