CVE-2026-83112 in Lease and Finance Management
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Lease and Finance Management product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.7-12.2.15. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Lease and Finance Management. Successful attacks of this vulnerability can result in takeover of Oracle Lease and Finance Management. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Internal Operations component of Oracle Lease and Finance Management, a critical module within the broader Oracle E-Business Suite ecosystem. This security flaw affects supported software versions ranging from 12.2.7 through 12.2.15. The nature of this defect allows for an easily exploitable attack vector that requires high-privileged access but can be executed remotely over HTTP without user interaction. While the requirement for a privileged attacker might seem like a mitigating factor, the ability to leverage network-accessible services via standard web protocols significantly expands the potential attack surface compared to local-only exploits. The successful exploitation of this flaw leads directly to the complete takeover of the Oracle Lease and Finance Management application environment, indicating that the vulnerability likely involves improper access control checks or logic flaws in how administrative functions are processed over HTTP connections.
From a technical perspective, the CVSS 3.1 base score of 7.2 reflects high severity due to impacts on confidentiality, integrity, and availability. The vector string AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H confirms that while privilege requirements are high (H), the attack complexity is low (L) and no user interface interaction is needed (UI:N). This profile aligns with CWE-269, which classifies Improper Privilege Management vulnerabilities where an actor can elevate privileges or bypass security controls. In the context of enterprise resource planning systems like Oracle E-Business Suite, such flaws often stem from insufficient validation of session tokens, improper enforcement of role-based access control policies in web service endpoints, or insecure direct object references within internal operational APIs. The fact that HTTP is specified as the transport mechanism suggests the vulnerability may be present in legacy interfaces or specific RESTful services that handle sensitive administrative tasks without adequate cryptographic protection or strict authorization checks.
The operational impact of this vulnerability is severe and multifaceted. A successful compromise allows an attacker to assume full control over the Oracle Lease and Finance Management application. This level of access enables unauthorized modification, deletion, or exfiltration of financial data, lease agreements, and sensitive corporate records stored within the system. Beyond immediate data breaches, attackers can manipulate transactional integrity by altering financial reports or audit trails, which poses significant regulatory compliance risks for organizations subject to standards such as SOX (Sarbanes-Oxley Act) or GDPR. Furthermore, because Oracle E-Business Suite is often deeply integrated with other enterprise systems like ERP and HR modules, a takeover of the Lease and Finance component can serve as a pivot point for lateral movement within the corporate network. This aligns with ATT&CK technique T1078, Valid Accounts, where attackers use legitimate credentials to gain persistent access and expand their influence across the infrastructure.
Mitigation strategies must prioritize immediate patching alongside robust defensive configurations. Oracle has released patches addressing this specific flaw in subsequent updates for versions 12.2.7 through 12.2.15; organizations should apply these security updates as a primary remediation step to close the code-level defect. In addition to patching, it is critical to enforce strict network segmentation policies that restrict HTTP access to internal operations components only from authorized administrative subnets rather than exposing them broadly across the enterprise network. Implementing Web Application Firewalls with rulesets tuned for Oracle E-Business Suite can help detect and block exploitation attempts by identifying anomalous request patterns associated with privilege escalation or unauthorized API calls. Furthermore, organizations should review their identity and access management practices to ensure that high-privileged accounts are protected with multi-factor authentication and monitored closely for suspicious activity, thereby reducing the risk of credential theft which is often a precursor to exploiting such vulnerabilities.