CVE-2026-60171 Denial of service in MySQL Cluster

Medium 4.9 Published 21 Jul 2026 Updated 23 Jul 2026

A high-privileged attacker can cause a complete denial of service in MySQL Cluster via the optimizer component.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-60171?

CVE-2026-60171 is a medium-severity denial of service vulnerability in Oracle Mysql Cluster, published on 21 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.47. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-400

Which versions are affected by CVE-2026-60171?

It affects 1 product.

Products include Oracle Mysql Cluster.

How do I fix CVE-2026-60171?

No fix has been published for CVE-2026-60171 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-60171 being exploited?

There is no known exploitation of CVE-2026-60171 in the wild and no public exploit code.

All Oracle Mysql Cluster vulnerabilities

Sources

Also known as GHSA-7cxr-6j58-68m6.