Denial of Service Vulnerability in MySQL Router by Oracle
CVE-2026-101810

7.5HIGH

Key Information:

Vendor

Oracle
Status
Mysql Router
Vendor
CVE Published:
20 October 2026

What is CVE-2026-101810?

A vulnerability exists in the MySQL Router component of Oracle MySQL, affecting the 26.7.0 version. This issue can be exploited by unauthenticated attackers with network access through various protocols. Successful exploitation can lead to severe consequences, including the unauthorized ability to cause the MySQL Router to hang or repeatedly crash, resulting in a complete denial of service (DoS). This vulnerability highlights the importance of securing network access to critical database components.

Affected Version(s)

MySQL Router 26.7.0

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.