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9.8

CVE-2026-83355: Remote takeover possible in Oracle Enterprise Manager for Fusion Middleware

CVE-2026-83355 · published 25 days ago
Summary

The 13.5 and 24.1 versions of Oracle Enterprise Manager for Fusion Middleware let anyone on the network reach its web interface and gain full control of the system. This could allow an attacker to read, modify, or disrupt your services. Apply Oracle's security update right away and restrict console access to trusted users only.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle corporation oracle enterprise manager for fusion middleware 13.5
Original advisory text
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 expl...
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).
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-287Improper Authentication
CWE-306Missing Authentication for Critical Function
Timeline
Published15 Sep 2026
Updated11 Oct 2026
First seen15 Sep 2026
Sources
CVE-2026-83355 · MITRE
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