CVE-2026-61094 Oracle Corporation CVE debrief

Who should care

System administrators and security teams responsible for MySQL Server and MySQL Cluster installations should be aware of this vulnerability and take immediate action to patch affected systems. This includes reviewing current deployments, assessing potential impacts, and prioritizing remediation efforts based on the high severity of the vulnerability.

Technical summary

The vulnerability is located in the Server: Replication component of MySQL Server and MySQL Cluster, affecting versions 8.4.0-8.4.10, 9.7.0-9.7.1, 8.0.0-8.0.47, and 8.4.0-8.4.10. It has a CVSS 3.1 Base Score of 7.2, indicating high confidentiality, integrity, and availability impacts. The CVSS Vector is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. Successful attacks of this vulnerability can result in takeover of MySQL Server, MySQL Cluster. System administrators and security teams should focus on patching affected systems, restricting network access, and monitoring for suspicious activity to mitigate potential impacts. This includes reviewing current deployments and assessing potential impacts to prioritize remediation efforts based on the high severity of the vulnerability.

Defensive priority

High priority should be given to patching affected MySQL Server and MySQL Cluster installations to prevent potential takeovers. Additionally, defenders should focus on restricting network access, monitoring systems for suspicious activity, and verifying inventory of installations.

Recommended defensive actions

• Apply patches for MySQL Server and MySQL Cluster versions 8.4.0-8.4.10, 9.7.0-9.7.1, 8.0.0-8.0.47, and 8.4.0-8.4.10.
• Restrict network access to MySQL Server and MySQL Cluster installations.
• Monitor MySQL Server and MySQL Cluster systems for suspicious activity.
• Verify and update inventory of MySQL Server and MySQL Cluster installations.
• 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 2026-07-21T22:18:40.443Z and last modified on 2026-07-27T17:48:50.807Z. The NVD entry is currently Analyzed. This information is based on the provided source corpus and may not reflect the full scope of affected systems or potential impacts. Defenders should verify the accuracy of this information and assess their specific environments for potential vulnerabilities.

Official resources