Vulnerability in Oracle Corporation MySQL Cluster
CVE-2026-101762
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Security: Encryption). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Oracle Corporation MySQL Cluster — versions 26.7.0-26.7.1, 8.0.0-8.0.49, 8.4.0-8.4.12
- Oracle Corporation MySQL Server — versions 26.7.0-26.7.1, 8.4.0-8.4.12, 9.7.0-9.7.3
References
- www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-101762?
- CVE-2026-101762 is a medium-severity vulnerability in Oracle Corporation MySQL Cluster. CVSS score: 5.3/10. Published 2026-10-20.
- How severe is CVE-2026-101762?
- Medium severity. CVSS v3 base score is 5.3 out of 10.