CVE-2026-101755

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs). Supported versions that are affected are MySQL Server: 26.7.0-26.7.1; MySQL Cluster: 26.7.0-26.7.1. Difficult to exploit vulnerability allows low 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cpuoct2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:oracle:mysql_cluster::::::::
	cpe:2.3:a:oracle:mysql_server::::::::

History

30 Oct 2026, 14:19

Type	Values Removed	Values Added
First Time		Oracle Oracle mysql Cluster Oracle mysql Server
CPE		cpe:2.3:a:oracle:mysql_cluster:::::::: cpe:2.3:a:oracle:mysql_server::::::::
References	~~() https://www.oracle.com/security-alerts/cpuoct2026.html -~~	() https://www.oracle.com/security-alerts/cpuoct2026.html - Vendor Advisory

22 Oct 2026, 18:17

Type	Values Removed	Values Added
CWE		CWE-284

20 Oct 2026, 22:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 22:18

Updated : 2026-10-30 14:19

NVD link : CVE-2026-101755

Mitre link : CVE-2026-101755

CVE.ORG link : CVE-2026-101755

JSON object : View

Products Affected

oracle

mysql_server
mysql_cluster

CWE

CWE-284

Improper Access Control

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