CVE-2026-46860 Auth bypass in MySQL Router

Critical 9.8 Published 16 Jun 2026 Updated 18 Jun 2026

Unauthenticated attackers can compromise MySQL Router via HTTP, leading to full system takeover.

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

What is CVE-2026-46860?

CVE-2026-46860 is a critical authentication bypass vulnerability in Oracle Corporation MySQL Router, published on 16 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise MySQL Router. Successful attacks of this vulnerability can result in takeover of MySQL Router. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-46860?

It affects 1 product.

Products include Oracle Mysql Router.

How do I fix CVE-2026-46860?

No fix has been published for CVE-2026-46860 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-46860 being exploited?

There is no known exploitation of CVE-2026-46860 in the wild and no public exploit code.

Sources

Also known as GHSA-vr46-gpj9-36wg.