CVE-2026-60186: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication Plugin). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. 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).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Mitigate the risk of network-reachable DoS by restricting inbound access to MySQL Server / MySQL Cluster services to only required clients and networks (e.g., via firewall/ACL), since the vulnerability is exploitable remotely (AV:N) and can cause a hang or repeatable crash (complete DOS).
Event History
Frequently Asked Questions
What is the severity of CVE-2026-60186?
The severity of CVE-2026-60186 is rated as medium with a score of 4.4.
How do I fix CVE-2026-60186?
To fix CVE-2026-60186, you should upgrade your MySQL Server or MySQL Cluster to the latest version provided by Oracle.
What are the affected versions for CVE-2026-60186?
The affected versions for CVE-2026-60186 include MySQL Server 8.4.0-8.4.10 and 9.7.0-9.7.1, as well as MySQL Cluster 8.0.0-8.0.47, 8.4.0-8.4.10, and 9.7.0-9.7.1.
What type of vulnerability is CVE-2026-60186?
CVE-2026-60186 is classified as a difficult to exploit vulnerability in the MySQL Server's Group Replication Plugin.
Is exploitation of CVE-2026-60186 easy or difficult?
Exploitation of CVE-2026-60186 is considered difficult.