CVE-2026-87306 in JD Edwards EnterpriseOne Tools
Summary
by MITRE • 10/21/2026
Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Interoperability SEC). Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploitable vulnerability allows low privileged attacker with network access via JDENET to compromise JD Edwards EnterpriseOne Tools. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all JD Edwards EnterpriseOne Tools accessible data as well as unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Interoperability 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 core issue stems from insufficient validation or access control mechanisms within the interoperability services layer, which handles data exchange and integration tasks between various modules of the JD Edwards ecosystem. Because this component is responsible for managing secure communications and data integrity across distributed systems, any weakness here can undermine the overall security posture of the entire application suite. The vulnerability allows an attacker to bypass intended restrictions due to a lack of proper authorization checks when processing requests received via the JDENET protocol, which serves as the primary network communication interface for client-server interactions in this environment.
An attacker with low privileges and valid network access can exploit this flaw without requiring user interaction or complex preconditions. The ease of exploitation is highlighted by the Low Attack Complexity rating in the CVSS vector, indicating that specialized conditions are not required to trigger the vulnerability once network connectivity is established. By sending crafted requests through JDENET, a malicious actor with even minimal existing credentials can manipulate how the system processes interoperability commands. This capability effectively allows the attacker to escalate their influence within the application logic, moving beyond standard operational boundaries defined by their user role. The absence of strict input sanitization or privilege verification in this specific component creates an avenue for unauthorized data manipulation and access that would otherwise be blocked under normal security configurations.
The operational impact of successfully exploiting this vulnerability is severe, characterized primarily by high impacts on both confidentiality and integrity while availability remains unaffected according to the CVSS scoring model. Successful exploitation enables the attacker to create, delete, or modify critical data within JD Edwards EnterpriseOne Tools with unauthorized access privileges. This means that sensitive financial records, customer information, inventory levels, or other proprietary business data can be altered, erased, or fabricated without detection by standard audit logs if logging mechanisms are not sufficiently robust. Furthermore, the vulnerability grants complete access to all data accessible through JD Edwards tools, effectively compromising the confidentiality of the entire dataset managed by the system. This level of unauthorized access could lead to significant financial loss, regulatory non-compliance, and reputational damage for the affected organization.
From a classification perspective, this vulnerability aligns with CWE-269, which describes Improper Privilege Management, as it allows an actor to perform actions beyond their authorized scope due to flawed security controls in the interoperability layer. It also relates closely to CWE-862, Missing Authorization, where the system fails to verify that a user has permission for a specific action before executing it. In terms of offensive tactics, this exploitation path corresponds to MITRE ATT&CK techniques such as T1078 Valid Accounts, since the attacker leverages low-privileged but valid credentials, and potentially T1530 Data from Cloud Storage Object if the interoperability component interacts with external data stores. The attack vector is classified as Network (AV:N), meaning remote exploitation over a network connection is possible without physical access to the target system or local shell access.
Mitigation strategies must focus on immediate patching and enhanced monitoring. Oracle has released updates for versions 9.2.0.0 through 9.2.26.5 that address this specific flaw in the Interoperability SEC component; organizations should prioritize applying these patches to all affected systems as soon as possible. In environments where immediate patching is not feasible, network segmentation strategies should be implemented to restrict JDENET traffic only to authorized client IP addresses and application servers. Additionally, implementing strict firewall rules that limit inbound connections on the ports used by JD Edwards can reduce the attack surface available to external threats. Security teams should also enable enhanced auditing for interoperability service calls to detect anomalous patterns of data creation or modification that deviate from normal operational baselines. Regular vulnerability assessments and penetration testing focused on integration points will help identify similar weaknesses in other components before they can be exploited by malicious actors seeking to compromise enterprise data integrity.