CVE-2026-101633 Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General).

Medium 4.3 Published 20 Oct 2026 Updated 21 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-101633?

CVE-2026-101633 is a medium-severity vulnerability in Oracle Corporation MySQL Router, published on 20 Oct 2026.

Official 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).

Weakness: CWE-284

Which versions are affected by CVE-2026-101633?

How do I fix CVE-2026-101633?

No fix has been published for CVE-2026-101633 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-101633 being exploited?

There is no known exploitation of CVE-2026-101633 in the wild and no public exploit code.

Sources

Also known as GHSA-gmr7-2hvr-9v3x.