MySQL Server Vulnerability in Oracle MySQL Affects Server Optimization Features
CVE-2026-22017

6.5MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
21 April 2026

What is CVE-2026-22017?

A vulnerability exists in the MySQL Server component of Oracle MySQL that allows an attacker with low privileges and network access to exploit weaknesses in the server's optimization processes. This easily exploitable flaw can lead to unauthorized actions, potentially causing repeated service interruptions or crashes of the MySQL server, impacting its availability and operational integrity.

Affected Version(s)

MySQL Server 8.0.0 <= 8.0.45

MySQL Server 8.4.0 <= 8.4.8

MySQL Server 9.0.0 <= 9.6.0

References

https://www.oracle.com/security-alerts/cpuapr2026.html
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.