Live › vulnerability › CVE-2026-101627
Go to dashboardA flaw in the InnoDB storage engine of MySQL Server and MySQL Cluster can be used to hang or repeatedly crash the database. An attacker needs high privileges and network access, and the result is denial of service with no data read or changed.
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.
Teams running MySQL Server or MySQL Cluster in the listed version ranges are exposed. The attacker must already hold high privileges and reach the database over the network, so databases limited to trusted application accounts carry less risk. Teams on other database engines or on versions outside the listed ranges can skip it.
No product ranges from the sources yet.
SELECT @@version; on each MySQL Server and Cluster node and compare against the affected ranges: 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, 26.7.0 through 26.7.1, and 8.0.0 through 8.0.49 for MySQL Cluster.8.4.12, 9.7.x past 9.7.3, and 26.7.x past 26.7.1 to the fixed release from Oracle; the sources do not name the exact fixed build.8.0.49 and 8.4.x past 8.4.12, or 9.7.x past 9.7.3 and 26.7.x past 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: InnoDB). 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 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
This page as .md · .json · in your agent: get_signal("CVE-2026-101627")
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