6.5
Medium
CVE-2026-101620 Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer)
Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 9.7.0-9.7.3; MySQL Cluster: 9.7.0-9.7.3. Easily exploitable vulnerability allows low privileged 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| MySQL Server | 9.7.0-9.7.3 | No fix stated |
| MySQL Cluster | 9.7.0-9.7.3 | No fix stated |
Other CVEs of MySQL Server
The 1117 CVEs of MySQL Server →
CVE-2026-101803
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: XML)
6.5
Medium
CVE-2026-101802
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Parser)
6.5
Medium
CVE-2026-101801
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer)
4.9
Medium
CVE-2026-101800
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Security: Privileges)
6.8
Medium