MySQL Server Vulnerability in Oracle Components Exposes Database to Denial of Service
CVE-2026-35238

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
21 April 2026

What is CVE-2026-35238?

A vulnerability exists in the MySQL Server product of Oracle MySQL that allows a high-privileged attacker to exploit the system through network access. The flaw affects multiple supported versions of MySQL Server and can lead to unauthorized operations that may result in the service becoming unresponsive or crashing. This poses significant risks to database availability, potentially leading to a complete denial of service. Administrators are encouraged to review the affected versions and apply necessary patches to safeguard their environments.

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:
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

.