CVE-2026-46857 Auth bypass in Oracle Enterprise Manager Base Platform

Critical 9.8 Published 16 Jun 2026 Updated 18 Jun 2026

Unauthenticated attackers can compromise Oracle Enterprise Manager Base Platform 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-2026-46857?

CVE-2026-46857 is a critical authentication bypass 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: Oracle Management Service). Supported versions that are affected are 13.5 and 24.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Enterprise Manager Base Platform. Successful attacks of this vulnerability can result in takeover of Oracle Enterprise Manager Base Platform. 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-2026-46857?

It affects 1 product.

Products include Oracle Enterprise Manager Base Platform.

How do I fix CVE-2026-46857?

No fix has been published for CVE-2026-46857 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-2026-46857 being exploited?

There is no known exploitation of CVE-2026-46857 in the wild and no public exploit code.

All Oracle Enterprise Manager Base Platform vulnerabilities

Sources

Also known as GHSA-5h5v-j8q6-wp99.