CVE-2026-21965
Unknown Unknown - Not Provided
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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).
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Meta Information
Published
2026-01-20
Last Modified
2026-01-29
Generated
2026-06-16
AI Q&A
2026-01-21
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21965
EUVD
EUVD-2026-3547
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
oracle mysql_server From 9.0.0 (inc) to 9.5.0 (inc)
Helpful Resources
Exploitability
CWE
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CWE ID Description
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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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