CVE-2026-101626

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Authentication Bypass in MySQL Connector/Net

Publication date: 2026-10-20

Last updated on: 2026-10-21

Assigner: Oracle

Description

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/Net). The supported version that is affected is 26.7.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-21

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101626

EUVD

EUVD-2026-106034

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	MySQL Connectors	26.7.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle MySQL Connectors, specifically version 26.7.0. It allows an unauthenticated attacker with network access to potentially access sensitive data stored in MySQL Connectors without needing to bypass authentication or exploit complex conditions.

Detection Guidance

This vulnerability affects MySQL Connector/Net version 26.7.0. Detection involves checking the installed version of MySQL Connector/Net on your system. Use commands like 'dotnet list package' for .NET environments or inspect the installed package directory for MySQL Connector/Net files.

Impact Analysis

If exploited, this vulnerability could lead to unauthorized access to critical or all accessible data within MySQL Connectors. This means sensitive information could be exposed, potentially affecting confidentiality of stored data.

Compliance Impact

This vulnerability could lead to unauthorized data access, which may violate compliance requirements under GDPR, HIPAA, or other regulations that mandate strict data protection and access controls. Non-compliance risks include legal penalties and reputational damage.

Mitigation Strategies

Upgrade MySQL Connectors to a version unaffected by this vulnerability. Since the affected version is 26.7.0, apply the latest patch or update provided by Oracle.

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