CVE-2026-101633

Medium

Description

Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise MySQL Router. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Router accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

SeverityMedium

CVSS4.3

Exploit probability—

ProductMySQL Router

PublishedOct 20, 2026

First seenOct 20, 2026

Weakness typeCWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/cpuoct2026.html

Affected products

Product	Affected versions	Fixed in
Oracle Corporation MySQL Router	26.7.0	—

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