CVE-2026-101750 Oracle Corporation CVE debrief

Who should care

Defenders responsible for MySQL Server and MySQL Cluster deployments, especially those with high-privileged users and network access, should assess their exposure and prioritize verification and remediation efforts.

Why it matters

CVE-2026-101750 is a medium-severity vulnerability in MySQL Server and MySQL Cluster that allows high-privileged attackers to cause a hang or crash. Defenders should prioritize verifying exposure, especially for high-privileged users with network access, and plan for upgrades or apply patches as recommended by Oracle.

• Potential for high-privileged attackers to cause a hang or crash of MySQL Server and MySQL Cluster
• Need for defenders to verify exposure and prioritize remediation efforts
• Importance of monitoring MySQL Server and MySQL Cluster for unusual activity
• Requirement for accurate inventory and version tracking of MySQL Server and MySQL Cluster deployments

Technical summary

The vulnerability is in the Server: Clone Plugin component of MySQL Server and MySQL Cluster. Affected versions 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. The vulnerability allows a high-privileged attacker with network access to compromise MySQL Server and MySQL Cluster, potentially causing a hang or crash.

Defensive priority

Defenders should prioritize verifying exposure in their MySQL Server and MySQL Cluster deployments, especially for high-privileged users with network access. They should assess the current versions of MySQL Server and MySQL Cluster to determine if they are within the affected ranges and plan for upgrades or apply patches as recommended by Oracle.

Recommended defensive actions

• Verify MySQL Server and MySQL Cluster versions to check for exposure
• Assess high-privileged user access and network exposure
• Plan for upgrades or apply patches as recommended by Oracle
• Monitor MySQL Server and MySQL Cluster for unusual activity
• Perform a thorough review of MySQL Server and MySQL Cluster configurations to identify potential security risks
• Implement compensating controls for exposed systems while remediation is scheduled and verified
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD vulnerability detail provide information on the affected versions of MySQL Server and MySQL Cluster, as well as the CVSS score and vector. Oracle's security alert for October 2026 is also referenced.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.