CVE-2026-101754 Oracle Corporation CVE debrief

Who should care

MySQL Server and MySQL Cluster administrators, security teams responsible for database security, operators of MySQL Server and MySQL Cluster, and security teams responsible for vulnerability management and incident response. These individuals should assess exposure and apply patches to prevent potential DoS attacks.

Why it matters

This vulnerability requires attention from MySQL Server and MySQL Cluster administrators to assess exposure and apply patches to prevent potential DoS attacks.

• Potential for denial of service (DoS) attacks
• Need for patching or updating affected versions
• Monitoring for potential attacks or crashes
• Verification of instance exposure and vulnerability status

Technical summary

The vulnerability affects MySQL Server versions 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1 and MySQL Cluster versions 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1. A high-privileged attacker with network access can exploit this vulnerability to cause a hang or crash of the MySQL Server or MySQL Cluster. The vulnerability has a CVSS score of 4.4 and is classified as MEDIUM severity. MySQL Server and MySQL Cluster administrators should assess exposure and apply patches to prevent potential DoS attacks. The vulnerability requires attention from MySQL Server and MySQL Cluster administrators to assess exposure and apply patches.

Defensive priority

Medium priority for MySQL Server and MySQL Cluster administrators to assess exposure and apply patches.

Recommended defensive actions

• Assess exposure of MySQL Server and MySQL Cluster instances to this vulnerability
• Apply patches or updates to affected versions
• Monitor for potential attacks or crashes
• 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
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including affected versions and CVSS score. The vulnerability has a CVSS score of 4.4 and is classified as MEDIUM severity. MySQL Server and MySQL Cluster administrators should assess exposure and apply patches to prevent potential DoS attacks. The NVD entry is currently Analyzed.

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.