CVE-2026-46856 Cross-site scripting in Oracle Enterprise Manager Base Platform

Critical 9.6 Published Updated

Unauthenticated attackers can exploit a cross-site scripting flaw in Oracle Enterprise Manager to take over the platform via network access.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-46856?

CVE-2026-46856 is a critical cross-site scripting vulnerability in Oracle Enterprise Manager Base Platform, published on 16 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Oracle Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Metadata Plugin). 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Enterprise Manager Base Platform, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Enterprise Manager Base Platform. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).

Weakness: CWE-79

Which versions are affected by CVE-2026-46856?

It affects 1 product.

Products include Oracle Enterprise Manager Base Platform.

How do I fix CVE-2026-46856?

No fix has been published for CVE-2026-46856 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-46856 being exploited?

There is no known exploitation of CVE-2026-46856 in the wild and no public exploit code.

All Oracle Enterprise Manager Base Platform vulnerabilities

Sources

Also known as GHSA-59hh-3j97-f3gx.

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