Is CVE-2026-46862 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-46862 being exploited in the wild.

How severe is CVE-2026-46862?

High severity, with a CVSS score of 7.5, published 17 June 2026.

Which products and versions are affected?

Oracle MySQL Router 8.4.0 - 8.4.9, 9.0.0 - 9.7.0.

Is there a fix for CVE-2026-46862?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-46862 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-46862?

Check whether you run Oracle MySQL Router at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-46862: Oracle MySQL Router denial of service in Router General component

CVE-2026-46862 · Severity: high · CVSS 7.5 · Published 2026-06-17

A vulnerability in Oracle MySQL Router can allow an unauthenticated attacker to remotely disable the service. MySQL Router is a middleware component used to manage traffic between applications and database clusters. If exploited, this could lead to a complete denial of service, preventing applications from connecting to their databases and disrupting business operations.

Technologies: Oracle MySQL Router. Vendors: Oracle.

Quick answers

Is CVE-2026-46862 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-46862 being exploited in the wild.
How severe is CVE-2026-46862?: High severity, with a CVSS score of 7.5, published 17 June 2026.
Which products and versions are affected?: Oracle MySQL Router 8.4.0 - 8.4.9, 9.0.0 - 9.7.0.
Is there a fix for CVE-2026-46862?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-46862 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-46862?: Check whether you run Oracle MySQL Router at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A vulnerability in the 'Router: General' component of Oracle MySQL Router (versions 8.4.x and 9.x) allows for uncontrolled resource consumption (CWE-400). An unauthenticated attacker with network access via TLS can exploit this flaw to cause a frequently repeatable crash or a permanent hang of the service. The attack is considered easily exploitable and does not require user interaction or elevated privileges. Successful exploitation results in a complete loss of availability for the MySQL Router instance. Users are advised to refer to the Oracle Critical Patch Update for June 2026 for remediation steps.

Affected products

Oracle MySQL Router 8.4.0 - 8.4.9, 9.0.0 - 9.7.0

Timeline

2026-06-17: disclosed
2026-06-17: advisory

References

https://www.oracle.com/security-alerts/cspujun2026.html

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