Vulnerability Description
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).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle | Mysql Cluster | >= 8.0.11, <= 8.0.46 |
| Oracle | Mysql Server | >= 8.4.0, <= 8.4.9 |
Related Weaknesses (CWE)
References
- https://www.oracle.com/security-alerts/cspujun2026.htmlVendor Advisory
FAQ
What is CVE-2026-46863?
CVE-2026-46863 is a vulnerability with a CVSS score of 7.5 (HIGH). 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; MyS...
How severe is CVE-2026-46863?
CVE-2026-46863 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-46863?
Check the references section above for vendor advisories and patch information. Affected products include: Oracle Mysql Cluster, Oracle Mysql Server.