CVE-2026-101812 in Complex Maintenance
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Complex Maintenance, Repair and Overhaul product of Oracle E-Business Suite (component: LOV). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Complex Maintenance, Repair and Overhaul. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Complex Maintenance, Repair and Overhaul accessible data as well as unauthorized access to critical data or complete access to all Oracle Complex Maintenance, Repair and Overhaul accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 10/23/2026
The identified vulnerability resides within the Oracle Complex Maintenance, Repair and Overhaul product of the Oracle E-Business Suite ecosystem, specifically affecting component LOV across supported versions ranging from 12.2.3 to 12.2.15. This security flaw represents a significant risk to organizations relying on these enterprise resource planning modules for managing complex operational workflows. The core technical issue stems from an improper validation or access control mechanism within the List of Values (LOV) functionality, which is commonly used in Oracle Forms and related interfaces to restrict user input to predefined sets of values. While LOVs are designed to enhance data integrity by limiting entry options, a flaw in their implementation allows for manipulation that bypasses intended restrictions. This architectural weakness enables an attacker who has obtained low-level privileges within the application to interact with the system via standard HTTP network connections and execute actions beyond their authorized scope.
The operational impact of this vulnerability is substantial due to its potential to compromise both confidentiality and integrity, as reflected in a CVSS 3.1 Base Score of 6.8. An attacker exploiting this flaw can achieve unauthorized creation, deletion, or modification of critical data stored within the Oracle Complex Maintenance, Repair and Overhaul database. This capability extends beyond simple data alteration; it grants the potential for complete access to all accessible data within the module. Such unrestricted access could lead to the exfiltration of sensitive operational records, financial details, maintenance schedules, and supply chain information. The ability to modify or delete critical data poses a direct threat to business continuity and regulatory compliance, as organizations may fail to maintain accurate audit trails or adhere to industry-specific data retention policies.
From a technical classification perspective, this vulnerability aligns with CWE-269 Improper Privilege Management and potentially CWE-862 Missing Authorization, depending on the specific implementation details of how the LOV component handles user roles and permissions. The attack vector is classified as Network (AV:N) with High Complexity (AC:H), indicating that while remote exploitation is possible over HTTP, it requires significant skill or specific conditions to succeed without detection. However, the requirement for Low Privilege access (PR:L) means that any compromised user account, whether through phishing, credential theft, or insider threat, can serve as a foothold for this attack. The absence of User Interaction (UI:N) further simplifies the exploitation process once initial low-level access is established, allowing automated tools to potentially leverage the flaw without manual intervention from other users.
In terms of adversary tactics, this vulnerability maps to ATT&CK techniques involving Privilege Escalation and Data Exfiltration. An attacker would likely use this flaw to escalate their privileges within the application layer or directly manipulate database records to extract sensitive information. The lack of availability impact (A:N) suggests that while data integrity is severely compromised, the system itself may remain operational, potentially masking the intrusion for a longer period as attackers focus on stealing or altering data rather than disrupting services. This stealthiness increases the risk of long-term unauthorized access and persistent threats within the enterprise environment.
Mitigation strategies must prioritize immediate patching to the latest available version of Oracle E-Business Suite that addresses this specific LOV component flaw, ensuring all supported releases from 12.2.3 through 12.2.15 are updated according to Oracle Critical Patch Update recommendations. In environments where patching is not immediately feasible, network segmentation should be enforced to restrict HTTP access to the affected components only to trusted internal subnets or specific user groups with verified low-level privileges. Implementing strict input validation and output encoding at the application layer can also help mitigate similar flaws in custom developments. Additionally, organizations should enhance monitoring capabilities by logging all LOV-related interactions and setting alerts for anomalous data modification patterns, such as bulk deletions or unauthorized access attempts to sensitive tables. Regular security assessments and penetration testing focused on privilege escalation paths will further strengthen the defense posture against this type of vulnerability.