CVE-2026-101786
Reported by oracle · Published October 20, 2026
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 26.7.0-26.7.1; MySQL Cluster: 26.7.0-26.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | MySQL Server | 26.7.0-26.7.1 |
| Oracle Corporation | MySQL Cluster | 26.7.0-26.7.1 |
| Oracle Corporation | MySQL Cluster | 26.7.0-26.7.1 |
| oracle | mysql_cluster | 26.7.0 |
| oracle | mysql_server | 26.7.0 |
| Oracle Corporation | MySQL Server | 26.7.0-26.7.1 |
Timeline
- Oct 20, 2026 CVE Published
- Oct 21, 2026 EPSS Score (4 in total, the first dated here)
- Oct 21, 2026 Coalition ESS Score
- Oct 22, 2026 CVE Updated
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References
- Oracle Advisory vendor-advisory