CVE-2026-83355

Critical

Description

Vulnerability in the Oracle Enterprise Manager for Fusion Middleware product of Oracle Enterprise Manager (component: Metrics). 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 for Fusion Middleware. Successful attacks of this vulnerability can result in takeover of Oracle Enterprise Manager for Fusion Middleware. 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).

SeverityCritical

CVSS9.8

Exploit probability—

ProductOracle Enterprise Manager for Fusion Middleware

PublishedSep 15, 2026

First seenSep 15, 2026

Weakness typeCWE-306Missing authentication for critical function CWE-287Improper authentication

How to fix

Vendor advisories

oracle.com/security-alerts/cspusep2026.html

Affected products

Product	Affected versions	Fixed in
Oracle Corporation Oracle Enterprise Manager for Fusion Middleware	13.5, 24.1	—

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