CVE-2026-91326

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Unauthenticated Takeover in JD Edwards EnterpriseOne Tools

Publication date: 2026-10-20

Last updated on: 2026-10-28

Assigner: Oracle

Description

Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Installation Security). Supported versions that are affected are 9.2.0.0-9.2.26.4. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the JD Edwards EnterpriseOne Tools executes to compromise JD Edwards EnterpriseOne Tools. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in JD Edwards EnterpriseOne Tools, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of JD Edwards EnterpriseOne Tools. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-28

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91326

EUVD

EUVD-2026-106580

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	JD Edwards EnterpriseOne Tools	9.2.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 to 9.2.26.4. It allows an unauthenticated attacker on the same physical network segment to potentially take over the system. The attack requires some interaction from a user and could impact other connected products.

Detection Guidance

Detection requires identifying vulnerable versions of JD Edwards EnterpriseOne Tools (9.2.0.0-9.2.26.4). Check installed versions via application logs or system inventory tools. Monitor network segments for unauthorized access attempts to the JD Edwards Tools component.

Impact Analysis

An attacker could gain full control of the JD Edwards EnterpriseOne Tools system, leading to unauthorized access, data theft, or system manipulation. This could disrupt business operations and compromise sensitive data.

Compliance Impact

This vulnerability allows unauthenticated attackers with physical network access to compromise JD Edwards EnterpriseOne Tools, potentially leading to unauthorized access and control. Such breaches could result in unauthorized disclosure, alteration, or destruction of sensitive data, which may violate GDPR (data protection) and HIPAA (healthcare data privacy) requirements for confidentiality, integrity, and availability.

Mitigation Strategies

Apply the latest security patches from Oracle for JD Edwards EnterpriseOne Tools version 9.2.0.0-9.2.26.4 to address the installation security vulnerability.

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