Network Exploit in MySQL Server and Cluster by Oracle
CVE-2026-101787

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Mysql Cluster
Vendor
CVE Published:
20 October 2026

What is CVE-2026-101787?

A vulnerability exists in Oracle's MySQL Server and Cluster that can be exploited by attackers with high privileges and network access. This exploit can lead to a denial-of-service condition, causing the MySQL Server or Cluster to hang or crash repeatedly. The vulnerability affects multiple supported versions, highlighting the need for immediate attention to security practices and updates.

Affected Version(s)

MySQL Cluster 8.0.0-8.0.49

MySQL Cluster 8.4.0-8.4.12

MySQL Cluster 9.7.0-9.7.3

References

https://www.oracle.com/security-alerts/cpuoct2026.html
vendor-advisory

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.