CVE-2026-46866 Denial of service in Oracle Enterprise Manager Base Platform

High 8.2 Published 16 Jun 2026 Updated 17 Jun 2026

Unauthenticated attackers can cause a complete denial of service and modify data in Oracle Enterprise Manager Base Platform via HTTPS.

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-2026-46866?

CVE-2026-46866 is a high-severity denial of service vulnerability in Oracle Enterprise Manager Base Platform, 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 Oracle Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Agent Next Gen). Supported versions that are affected are 13.5 and 24.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Enterprise Manager Base Platform. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Enterprise Manager Base Platform as well as unauthorized update, insert or delete access to some of Oracle Enterprise Manager Base Platform accessible data. CVSS 3.1 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H).

Weakness: CWE-400

Which versions are affected by CVE-2026-46866?

It affects 1 product.

Products include Oracle Enterprise Manager Base Platform.

How do I fix CVE-2026-46866?

No fix has been published for CVE-2026-46866 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-2026-46866 being exploited?

There is no known exploitation of CVE-2026-46866 in the wild and no public exploit code.

All Oracle Enterprise Manager Base Platform vulnerabilities

Sources

Also known as GHSA-wjjx-5q7v-m436.