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CVE-2026-60174 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) with low privileges (PR:L) over the network (AV:N). This vulnerability affects MySQL Server versions 9.7.0-9.7.1 and MySQL Cluster versions 9.7.0-9.7.1, specifically in the Server: Optimizer component. A low-privileged attacker with network access via multiple protocols can compromise MySQL Server and MySQL Cluster, leading to unauthorized ability 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 with low privileges.

Recommended defensive actions

  • Apply the patches or updates provided by Oracle to fix the vulnerability in MySQL Server and MySQL Cluster.
  • 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 additional security measures, such as firewalls or intrusion detection systems, to protect against potential attacks.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record was published on 2026-07-21T22:17:18.283Z and was last modified on 2026-07-27T14:50:04.970Z. The NVD entry is currently Analyzed. Evidence is limited to CVE and NVD information. Defenders should verify MySQL Server and MySQL Cluster versions, review network access controls, and monitor for unusual activity or crashes.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:17:18.283Z and has not been modified since then. The NVD entry is currently Analyzed.