Vulnerability in Oracle MySQL Server
CVE-2026-21965
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).
EPSS: 0.003 (22.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Oracle Mysql_server
- Oracle Corporation Mysql Server — versions 9.0.0
References
- secalert_us@oracle.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21965?
- CVE-2026-21965 is a low-severity vulnerability in Oracle MySQL Server. CVSS score: 2.7/10. Published 2026-01-20.
- How severe is CVE-2026-21965?
- Low severity. CVSS v3 base score is 2.7 out of 10.