Live › vulnerability › CVE-2026-101776
Go to dashboardA flaw in the Group Replication plugin of MySQL Server and MySQL Cluster lets a highly privileged user over the network cause a hang or repeatable crash. The impact is denial of service, with no confidentiality or integrity loss stated.
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 with the Group Replication plugin in use. Attackers need database credentials with high privileges and network access to the server. Instances on unaffected versions, or without Group Replication, can skip it.
No product ranges from the sources yet.
SELECT VERSION(); on the MySQL server and compare against the affected ranges: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1, and MySQL Cluster 8.0.0-8.0.49.SHOW PLUGINS; and look for group_replication.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: Group Replication Plugin). 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-2026-101776")
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