CVE-2026-46881 is a critical security vulnerability affecting Oracle JD Edwards EnterpriseOne Tools, specifically versions 9.2.0.0 through 9.2.26.2. It allows an unauthenticated attacker with network access via the JDENET protocol to compromise the EnterpriseOne Tools component. The vulnerability has a CVSS 3.1 score of 9.8, reflecting high severity with impacts on confidentiality, integrity, and availability. Oracle has addressed this vulnerability in its June 2026 Critical Security Patch Update, which includes 245 security patches across multiple Oracle products. The vendor advisory emphasizes the importance of applying these patches promptly to prevent exploitation. Workarounds such as blocking network protocols or removing unnecessary privileges may reduce risk temporarily but could affect application functionality.

This vulnerability enables unauthenticated remote attackers to gain full control over Oracle JD Edwards EnterpriseOne Tools, potentially leading to complete system takeover. The impact affects confidentiality, integrity, and availability of the affected product. Exploitation could result in unauthorized access, data compromise, and disruption of services provided by the EnterpriseOne Tools.

Oracle has released security patches for this vulnerability as part of the June 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches without delay to remediate the vulnerability. Until patches are applied, risk may be mitigated by blocking network protocols required for exploitation (such as JDENET) or by removing unnecessary privileges from users. However, these mitigations may disrupt normal application functionality. Oracle recommends remaining on actively supported versions and promptly applying all security updates.