CVE-2026-101731

Name of the Vulnerable Software and Affected Versions MySQL Server versions 8.4.0 through 8.4.12 MySQL Server versions 9.7.0 through 9.7.3 MySQL Server version 26.7.0 through 26.7.1 MySQL Cluster versions 8.0.0 through 8.0.49 MySQL Cluster versions 8.4.0 through 8.4.12 MySQL Cluster versions 9.7.0 through 9.7.3 MySQL Cluster version 26.7.0 through 26.7.1

Description A flaw exists in the Server: Optimizer component. A high privileged attacker with network access via multiple protocols can exploit this issue to cause a hang or a frequently repeatable crash, resulting in a complete Denial of Service (DOS), which is a condition where the system becomes unavailable to its intended users.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.