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CVE-2026-83355: 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. in Oracle Corporation Oracle Enterprise Manager for Fusion Middleware

0
Critical
VulnerabilityCVE-2026-83355cvecve-2026-83355
Published: 09/15/2026 (09/15/2026, 20:05:25 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle Enterprise Manager for Fusion Middleware

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).

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Oracle Corporation

Oracle Enterprise Manager for Fusion Middleware

Affected versions
=13.5=24.1

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 23:05:46 UTC

Technical Analysis

This vulnerability affects the Metrics component of Oracle Enterprise Manager for Fusion Middleware versions 13.5 and 24.1. It is easily exploitable remotely without authentication over HTTP, allowing attackers to compromise the system fully. The CVSS 3.1 score of 9.8 reflects critical impacts on confidentiality, integrity, and availability. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 security patches across multiple products. Oracle emphasizes the importance of applying these patches without delay to prevent exploitation.

Potential Impact

Successful exploitation can lead to complete takeover of Oracle Enterprise Manager for Fusion Middleware, impacting confidentiality, integrity, and availability of the system. This could allow attackers to execute arbitrary actions within the affected environment.

Mitigation Recommendations

Oracle has released security patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the official patches promptly to remediate the issue. Oracle strongly recommends staying on actively supported versions and applying security updates without delay to prevent exploitation. Patch status is confirmed as fixed in the update referenced in the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-31T15:40:57.354Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]

Threat ID: 6aa9a84455bf5e2cf55381a1

Added to database: 09/15/2026, 20:19:16 UTC

Last enriched: 09/15/2026, 23:05:46 UTC

Last updated: 09/16/2026, 03:03:35 UTC

Views: 3

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