VDB
CVE-2026-46863
CVE-2026-46863
PUBLISHED
CVSS 7.5 HIGH
Reported by oracle · Published June 16, 2026
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | MySQL Server | 8.4.0-8.4.9, 9.0.0-9.7.0 |
| Oracle Corporation | MySQL Cluster | 8.0.11-8.0.46, 8.4.0-8.4.9, 9.0.0-9.7.0 |
| oracle | mysql_server | 8.4.0, 9.0.0, 8.4.0 |
| Oracle Corporation | MySQL Server | 8.4.0-8.4.9, 9.0.0-9.7.0, 8.4.0-8.4.9 |
| oracle | mysql_cluster | 8.0.11, 8.4.0, 9.0.0 |
| Oracle Corporation | MySQL Cluster | 8.0.11-8.0.46, 8.4.0-8.4.9, 9.0.0-9.7.0 |
Timeline
- Jun 16, 2026 CVE Published
- Jun 17, 2026 EPSS Score
- Jun 17, 2026 CVE Updated
- Jun 19, 2026 Security Advisory
References
- Oracle Advisory vendor-advisory