MySQL Router Vulnerability in Oracle MySQL Affects Multiple Systems
CVE-2026-101633

4.3MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Router
Vendor
CVE Published:
20 October 2026

What is CVE-2026-101633?

An exploitable vulnerability exists in the MySQL Router component of Oracle MySQL, affecting version 26.7.0. This flaw allows a low-privileged attacker with network access via HTTPS to compromise the router. Exploitation of this vulnerability may lead to unauthorized read access to data that is accessible through MySQL Router. Organizations using this version should assess their exposure and implement necessary security measures to mitigate potential risks.

Affected Version(s)

MySQL Router 26.7.0

References

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

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.