BaseFortify

Publication date: 2026-01-20

Last updated on: 2026-01-29

Assigner: Oracle

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 Scores

EPSS Scores

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Meta Information

Published

2026-01-20

Last Modified

2026-01-29

Generated

2026-07-06

AI Q&A

2026-01-21

EPSS Evaluated

2026-07-05

NVD

CVE-2026-21965

EUVD

EUVD-2026-3547

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	mysql_server	From 9.0.0 (inc) to 9.5.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-NVD-CWE-noinfo

Attack-Flow Graph

Executive Summary

This vulnerability exists in the MySQL Server product of Oracle MySQL, specifically in the Server: Pluggable Auth component. It affects supported versions 9.0.0 through 9.5.0. The vulnerability is easily exploitable by a high privileged attacker with network access via multiple protocols, allowing them to compromise the MySQL Server. Successful exploitation can cause a partial denial of service (partial DOS) of the MySQL Server.

Impact Analysis

The impact of this vulnerability is that an attacker with high privileges and network access can cause a partial denial of service on the MySQL Server. This means the availability of the MySQL Server could be disrupted, potentially affecting applications and services relying on it.

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