CVE-2026-101772: High severity Oracle MySQL Server vulnerability

Published Oct 20, 2026
·
Updated

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs). 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected Software

27 affected componentsFixes available
Oracle MySQL Server>=8.4.0<=8.4.12, >=9.7.0<=9.7.3, >=26.7.0<=26.7.1
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
ubuntu/mysql-5.5*
ubuntu/mysql-5.7*
ubuntu/mariadb-10.0*
ubuntu/percona-server-5.6*
ubuntu/percona-xtradb-cluster-5.6*
ubuntu/mysql-5.7*
ubuntu/mariadb-10.1*
ubuntu/mysql-8.0*
ubuntu/mariadb-10.3*
ubuntu/mariadb-10.6*
ubuntu/mysql-8.0*
ubuntu/mariadb*
ubuntu/mysql-8.0*
ubuntu/mariadb*
ubuntu/mysql-9.7*
ubuntu/mariadb*
ubuntu/mysql-8.4*
Oracle MySQL Cluster>=8.0.0<=8.0.49
Oracle MySQL Cluster>=8.4.0<=8.4.12
Oracle MySQL Cluster>=9.7.0<=9.7.3
Oracle MySQL Cluster>=26.7.0<=26.7.1
Oracle MySQL Server>=8.4.0<=8.4.12
Oracle MySQL Server>=9.7.0<=9.7.3
Oracle MySQL Server>=26.7.0<=26.7.1
debian/mysql-9.7
9.7.4-2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/mysql-9.7 to a version that resolves this vulnerability.

    Fixed in 9.7.4-2

Event History

Oct 20, 2026
CVE Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
CVE Published
via MITRE·09:22 PM
Data Sourced
via MITRE·09:22 PM
DescriptionSeverity
Data Sourced
via OSV·10:18 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·10:18 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

Which deployments are affected?

Affected MySQL Server versions are 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1. Affected MySQL Cluster versions are 8.0.0 through 8.0.49, 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1.

2

Does exploitation require credentials or user interaction?

No. The CVSS vector indicates that an unauthenticated attacker can exploit the issue without user interaction, provided they have network access via multiple protocols.

3

What is the potential impact of a successful attack?

A successful attack can result in takeover of MySQL Server or MySQL Cluster. The reported impacts include high confidentiality, integrity, and availability impact.

4

How difficult is exploitation?

Exploitation is described as difficult, and the CVSS vector assigns Attack Complexity: High. Despite that constraint, the issue is network-accessible and requires no privileges or user interaction.

Contact

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