Vulnerability in MySQL Server and MySQL Cluster by Oracle
CVE-2026-61144

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Mysql Cluster
Vendor
CVE Published:
21 July 2026

What is CVE-2026-61144?

This vulnerability affects the MySQL Server and MySQL Cluster products, allowing an attacker with high privileges and network access to compromise the systems. Specifically, the flaw exists in the Optimizer component, where successful exploitation can lead to a denial-of-service condition, causing the MySQL server and cluster to hang or crash repeatedly. The affected versions are limited to 9.7.0-9.7.1, making it crucial for users to update their installations to mitigate this significant risk.

Affected Version(s)

MySQL Cluster 9.7.0-9.7.1

MySQL Server 9.7.0-9.7.1

References

https://www.oracle.com/security-alerts/cpujul2026.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

.