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CVE-2026-101780 Details

Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: X Plugin). 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 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.oracle.com/security-alerts/cpuoct2026.html	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-284	Improper Access Control	CISA-ADP

Affected Products

Product	Versions
oracle mysql cluster	>= 8.0.0, <= 8.0.49 >= 8.4.0, <= 8.4.12 >= 9.7.0, <= 9.7.3 >= 26.7.0, <= 26.7.1
CPE cpe:2.3:a:oracle:mysql_cluster:::::::: Remediation No remediation found in references.
oracle mysql server	>= 8.4.0, <= 8.4.12 >= 9.7.0, <= 9.7.3 >= 26.7.0, <= 26.7.1
CPE cpe:2.3:a:oracle:mysql_server:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 30, 2026	Initial Analysis	[email protected]
Oct 22, 2026	CVE Modified	CISA-ADP
Oct 20, 2026	New CVE Received	[email protected]