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CVE-2026-60324 Oracle Corporation CVE debrief

A vulnerability was discovered in the MySQL Server and MySQL Cluster products of Oracle MySQL, specifically in the Server: Optimizer component. The affected versions are MySQL Server 9.7.0-9.7.1 and MySQL Cluster 9.7.0-9.7.1. This vulnerability allows a low-privileged attacker with network access via multiple protocols to compromise MySQL Server and MySQL Cluster. Successful attacks can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server and MySQL Cluster.

Vendor
Oracle Corporation
Product
MySQL Server
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-07-27
Advisory published
2026-07-21
Advisory updated
2026-07-27

Who should care

System administrators and security teams responsible for MySQL Server and MySQL Cluster installations, particularly those using versions 9.7.0-9.7.1, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability has a CVSS 3.1 Base Score of 6.5, indicating a medium severity level. The CVSS Vector is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H), showing that the vulnerability allows attackers to impact availability (A:H). The weakness associated with this vulnerability is CWE-400, related to Uncontrolled Resource Consumption. This vulnerability affects MySQL Server versions 9.7.0-9.7.1 and MySQL Cluster versions 9.7.0-9.7.1, allowing low-privileged attackers with network access to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server and MySQL Cluster.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it can lead to a complete DOS of MySQL Server and MySQL Cluster.

Recommended defensive actions

  • Apply the patches provided by Oracle for MySQL Server and MySQL Cluster versions 9.7.0-9.7.1.
  • Restrict network access to MySQL Server and MySQL Cluster to only necessary personnel.
  • Monitor MySQL Server and MySQL Cluster for unusual activity or crashes.
  • Consider implementing compensating controls, such as load balancing or high availability configurations, to minimize the impact of a potential DOS attack.
  • Perform a thorough review of the system configuration and user privileges to ensure that the attack surface is minimized.
  • Implement additional monitoring and logging to detect potential attacks.
  • Conduct regular security audits and vulnerability assessments to identify and address potential weaknesses.

Evidence notes

The CVE record was published on 2026-07-21T22:17:35.363Z and was last modified on 2026-07-27T17:12:43.713Z. The NVD entry is currently Analyzed. The vulnerability details are based on the information provided by Oracle and the NVD. The affected versions of MySQL Server and MySQL Cluster are 9.7.0-9.7.1. The CVSS score and vector are based on the CVSS v3.1 scoring system.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:17:35.363Z and has not been modified since then. The NVD entry is currently Analyzed.