CVE-2026-101781

published 2026-10-20

CVE-2026-101781: Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). Supported versions that are affected are…

Priority P3 52 high 8.8 CVSS 3.1

AV A AC L PR N UI N S U C H I H A H

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). 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 unauthenticated attacker with access to the physical communication segment attached to the hardware where the MySQL Server, MySQL Cluster executes 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 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected

7 ranges

Vendor	Product	Version range	Fixed in
oracle_corporation	mysql_cluster	—	—
oracle_corporation	mysql_cluster	—	—
oracle_corporation	mysql_cluster	—	—
oracle_corporation	mysql_cluster	—	—
oracle_corporation	mysql_server	—	—
oracle_corporation	mysql_server	—	—
oracle_corporation	mysql_server	—	—

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CWE-284