Live › vulnerability › CVE-2026-101721
Go to dashboardA flaw in the Server Components Services component of MySQL Server and MySQL Cluster lets a user with high privileges hang or repeatedly crash the server over the network. The sources describe only a denial of service, with no code execution or data exposure.
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. The attacker needs high privileges and network access, so exposure is mainly a concern where many accounts hold elevated rights or the database port is reachable from untrusted networks. Installations on versions outside the listed ranges can skip it.
No product ranges from the sources yet.
SELECT VERSION(); on the MySQL server 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: Components Services). 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-2026-101721")
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