CVE-2026-87313 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 takeover of JD Edwards EnterpriseOne Tools. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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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 critical weakness in the application layer authentication and authorization mechanisms that govern how external systems interact with the JD Edwards environment via the JDENET protocol. The vulnerability is classified as easily exploitable, requiring only low-privileged access and network connectivity to initiate an attack vector. This significantly lowers the barrier for entry compared to vulnerabilities that require high privileges or complex user interaction, thereby increasing the likelihood of successful exploitation by threat actors who have gained initial foothold within a corporate network or through compromised credentials with minimal permissions.
From a technical perspective, the flaw allows an attacker to bypass intended security controls associated with secure interoperability communications. By leveraging the JDENET interface, which serves as the primary communication channel for data exchange between clients and servers in the JD Edwards architecture, an adversary can manipulate requests to escalate privileges or execute unauthorized operations. The nature of this vulnerability suggests a failure in proper input validation or session management within the Interoperability SEC module. This allows malicious actors to inject crafted payloads that are processed by the server without adequate scrutiny, leading to a complete compromise of the application layer services. Such flaws often stem from improper handling of security tokens, insufficient verification of user roles during interoperability transactions, or weaknesses in the encryption and integrity checks applied to JDENET traffic.
The operational impact of this vulnerability is severe, as indicated by its CVSS 3.1 base score of 8.8, which denotes a High severity rating. The vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms that the attack can be conducted over the network with low complexity and without user interaction. Crucially, it requires only low-privileged access to exploit, yet results in high impacts across confidentiality, integrity, and availability. A successful exploitation leads directly to a takeover of JD Edwards EnterpriseOne Tools, granting the attacker full administrative control or equivalent privileges within the application environment. This level of compromise allows for unrestricted data exfiltration, modification of critical business records, and potential disruption of enterprise operations. In an ERP context where JD Edwards is often central to financial, supply chain, and human resources processes, such a takeover can lead to significant financial loss, regulatory non-compliance, and reputational damage.
This vulnerability aligns with CWE-287, which describes Improper Authentication, as well as CWE-269, indicating an Abuse of Elevation Control Mechanism where the attacker gains higher privileges than intended. In terms of offensive security frameworks, this activity maps to MITRE ATT&CK technique T1078, Valid Accounts, specifically when used for lateral movement or privilege escalation within a trusted application layer. It also relates to T1546, Event Triggered Execution, if the vulnerability allows for persistent backdoors via configuration changes facilitated by the compromised interoperability interface. The ability to compromise the tooling environment effectively neutralizes the security boundaries established between different tiers of the enterprise architecture, allowing attackers to pivot further into connected systems that trust JD Edwards data and commands.
Mitigation strategies must prioritize immediate patching to the latest supported version within the 9.2.x series or higher, as Oracle typically addresses such critical flaws in cumulative updates. Organizations should also implement network segmentation to restrict access to JDENET ports exclusively to authorized application servers and management stations, thereby reducing the attack surface for low-privileged attackers who might otherwise gain local network access. Additionally, enforcing strict multi-factor authentication for all administrative accounts within JD Edwards can mitigate the risk of credential-based exploitation that often precedes such attacks. Security teams should monitor logs for anomalous interoperability transactions or unexpected privilege escalations and ensure that security patches are applied promptly according to Oracle Critical Patch Update schedules. Regular vulnerability assessments focusing on application layer protocols will help identify similar weaknesses before they can be exploited in production environments.