Live › vulnerability › CVE-2026-101607
Go to dashboardA flaw in the MySQL Server Optimizer component lets a highly privileged attacker over the network cause a hang or repeatable crash of MySQL Server and MySQL Cluster. The sources describe only an availability impact, with no confidentiality or integrity loss.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Any deployment running the listed MySQL Server or MySQL Cluster versions that accepts network connections from users with high privileges. The sources do not say whether default configurations are exposed. Systems on unaffected versions or without privileged remote users have less exposure.
No product ranges from the sources yet.
SELECT @@version; on each MySQL Server and MySQL Cluster node and compare against the affected ranges: 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, 26.7.0-26.7.1.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). 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 high 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
This page as .md · .json · in your agent: get_signal("CVE-2026-101607")
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