CVE-2026-83184 in Application Object Library
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Application Object Library product of Oracle E-Business Suite (component: Core). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Application Object Library. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Application Object Library accessible data as well as unauthorized access to critical data or complete access to all Oracle Application Object Library accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Oracle Application Object Library, a core component of the Oracle E-Business Suite platform, specifically affecting supported versions ranging from 12.2.3 through 12.2.15. This security flaw is classified as difficult to exploit due to its high complexity requirements, yet it poses a significant risk because it allows an unauthenticated attacker with network access via HTTP to compromise the integrity and confidentiality of the application layer. The vulnerability stems from improper handling of input data or state management within the Application Object Library's processing logic, which fails to adequately validate user-supplied information before executing critical operations. This lack of robust validation enables malicious actors to manipulate internal states or inject unauthorized commands that bypass standard authentication mechanisms, effectively granting them control over sensitive application functions without requiring valid credentials.
From a technical perspective, this flaw aligns with CWE-20 Improper Input Validation and potentially CWE-798 Use of Hard-coded Credentials if the vulnerability involves default configuration weaknesses, though the primary vector is input manipulation leading to unauthorized access. The attack surface is accessible over HTTP, which may imply that in environments where HTTPS is not strictly enforced or configured correctly for all endpoints, attackers can intercept or manipulate traffic more easily. However, even with encryption, the logic flaw allows exploitation at the application layer regardless of transport security if the attacker has network reachability to the web server hosting the E-Business Suite instance. The complexity arises from the need to craft specific requests that trigger the flawed code path, requiring precise knowledge of the internal API structures or session management mechanisms of the Oracle Application Object Library.
The operational impact of a successful exploitation is severe, categorized by a CVSS 3.1 Base Score of 7.4 with high impacts on Confidentiality and Integrity but no direct impact on Availability in this specific vector description. An attacker who successfully exploits this vulnerability can achieve unauthorized creation, deletion, or modification access to critical data within the Oracle Application Object Library. This means that sensitive business information such as financial records, customer details, or proprietary operational data could be exfiltrated, altered maliciously, or destroyed entirely. Furthermore, the attacker gains complete read access to all data accessible by the Application Object Library, effectively compromising the entire scope of data protected by this component. In a typical E-Business Suite deployment, where multiple modules share underlying database schemas and application logic, this breach can serve as an entry point for lateral movement within the enterprise network, potentially leading to broader system compromise if not contained immediately.
In terms of threat modeling, this vulnerability maps to MITRE ATT&CK techniques related to Initial Access via Web Application Attacks and subsequent Data Exfiltration or Impact via Data Manipulation. The unauthenticated nature of the attack makes it particularly dangerous for internet-facing instances of Oracle E-Business Suite that are not properly segmented behind robust web application firewalls or strict access control lists. Attackers can leverage automated tools to probe for this weakness, although the high complexity acts as a natural deterrent against low-effort scanning campaigns. Nevertheless, targeted attacks by skilled adversaries remain a significant threat vector given the critical nature of the data handled by E-Business Suite environments.
Mitigation strategies must focus on both immediate remediation and long-term architectural hardening. Oracle has released patches for this vulnerability in its Critical Patch Update releases; organizations should prioritize applying these updates to all affected instances immediately. For systems that cannot be patched instantly due to operational constraints, network-level controls are essential. Implementing strict firewall rules to restrict HTTP access to the E-Business Suite web tier only from trusted IP addresses or internal subnets can significantly reduce the attack surface. Additionally, deploying a Web Application Firewall with updated signatures for Oracle-specific vulnerabilities can help detect and block exploit attempts that target input validation flaws. It is also critical to ensure that HTTPS is enforced across all communication channels to prevent man-in-the-middle attacks that might aid in reconnaissance or session hijacking efforts related to this vulnerability. Regular security assessments and penetration testing should be conducted to identify similar logic flaws in other components of the E-Business Suite, ensuring a holistic approach to application security maintenance.