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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-21965

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth).

LOW 2.7EPSS 0.32%

Does this matter?

Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own.

Description

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).

CVSS 3.1
2.7 LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
EPSS
0.32% probability · 25th percentile
CISA KEV
Not listed
Affected
oracle/mysql server
Source
secalert_us@oracle.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.