CVE-2026-91278
Summary
by MITRE • 10/21/2026
Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Monitoring and Diagnostics SEC). Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where JD Edwards EnterpriseOne Tools executes to compromise JD Edwards EnterpriseOne Tools. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Monitoring and Diagnostics SEC component of Oracle JD Edwards EnterpriseOne Tools, specifically affecting supported versions ranging from 9.2.0.0 through 9.2.26.5. This security flaw represents a significant risk to organizations relying on this enterprise resource planning platform for critical business operations. The vulnerability is classified as an unauthorized access issue that stems from improper implementation of authentication or authorization controls within the diagnostic subsystem. While the component is designed to provide system administrators with insights into application performance and health, its current state allows for exploitation by attackers who have already gained a foothold in the environment. This highlights a common challenge in enterprise software where internal monitoring tools may inadvertently expose sensitive data if access controls are not strictly enforced across all endpoints and services.
The technical nature of this flaw permits low-privileged users to compromise the integrity of the JD Edwards EnterpriseOne Tools infrastructure. An attacker with valid logon credentials but minimal privileges can exploit this weakness without requiring any user interaction, such as clicking a malicious link or opening a file. The absence of a user interface requirement simplifies the attack vector significantly, allowing for automated exploitation scripts that do not need to manipulate browser behaviors or trick end-users. This characteristic aligns with common patterns seen in CWE-287 Improper Authentication and CWE-269 Improper Privilege Management vulnerabilities, where the system fails to verify sufficient privileges before granting access to sensitive diagnostic data. The vulnerability essentially bypasses intended restrictions on who can view internal operational metrics and configuration details that should be restricted to high-level administrators only.
The operational impact of this vulnerability is primarily centered around confidentiality breaches rather than integrity or availability disruptions. Successful exploitation enables an attacker to gain unauthorized access to critical data stored within the JD Edwards environment. This could include sensitive financial records, customer information, employee data, and proprietary business processes embedded in the ERP system's database. In severe cases, the attacker may achieve complete access to all data accessible by the compromised tool instance. Such a breach can lead to significant regulatory compliance violations under frameworks like GDPR or HIPAA, depending on the nature of the exposed data. Furthermore, this initial access often serves as a stepping stone for lateral movement within the network, allowing attackers to pivot from the application layer deeper into the infrastructure where more valuable assets reside.
From an offensive security perspective, this vulnerability maps directly to MITRE ATT&CK techniques related to Collection and Discovery. Specifically, it relates to T1005 Data from Local System which describes data staged locally before exfiltration, as well as T1602 Screen Capture or general system information gathering if the diagnostic tool exposes detailed server states. The low attack complexity and lack of user interaction make this a high-value target for threat actors who have already established persistent access through other means, such as phishing or exploiting external-facing services. Once inside, leveraging this flaw allows them to harvest credentials, map network topology via system diagnostics, and identify further targets without triggering typical security alerts associated with brute-force attacks or privilege escalation exploits that involve code execution flaws.
Mitigation strategies must focus on immediate remediation through vendor patches combined with robust access control reviews. Organizations should apply the latest security updates provided by Oracle for JD Edwards EnterpriseOne Tools to address this specific flaw in the Monitoring and Diagnostics SEC component. In addition to patching, it is critical to enforce strict role-based access controls ensuring that only authorized system administrators have logon privileges to servers hosting these diagnostic tools. Network segmentation plays a vital role here; placing monitoring components on isolated VLANs or subnets prevents low-privileged users from reaching the infrastructure where JD Edwards executes. Implementing multi-factor authentication for administrative accounts and regularly auditing user permissions can further reduce the attack surface. Continuous monitoring of access logs for unusual patterns, such as diagnostic queries executed by non-administrative accounts, will help in detecting potential exploitation attempts before significant data loss occurs.