CVE-2026-82994 in Platform Security for Java
Summary
by MITRE • 09/15/2026
Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Platform Security for Java. Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 09/15/2026
The identified vulnerability resides within the Oracle Platform Security for Java component of Oracle Fusion Middleware, specifically affecting the Centralized Thirdparty Jars subsystem in versions 12.2.1.4.0 and 14.1.2.0.0. This security flaw is characterized by its high severity, with a CVSS 3.1 base score of 9.8, indicating critical risk to confidentiality, integrity, and availability. The vulnerability stems from an improper validation or handling mechanism within the LDAP integration layer of the centralized third-party libraries used for authentication and authorization services. Because these jars are central to the security infrastructure, any compromise here directly undermines the entire platform's trust model.
An unauthenticated attacker with network access can exploit this flaw via Lightweight Directory Access Protocol connections without requiring user interaction or prior credentials. The attack vector is remote and requires low complexity, allowing adversaries to bypass standard authentication controls entirely. By crafting malicious LDAP requests that trigger the underlying code defect, an attacker can execute arbitrary commands or manipulate security tokens within the context of the application server process. This capability effectively allows for complete takeover of the Oracle Platform Security for Java service, granting the adversary full control over identity management functions and associated data stores.
The operational impact of this vulnerability is severe due to its direct effect on core authentication mechanisms. Successful exploitation enables an attacker to assume administrative privileges within the Fusion Middleware environment, potentially leading to unauthorized access to sensitive business applications, modification of user roles and permissions, or extraction of confidential credentials stored in directory services. Furthermore, because the flaw impacts availability as indicated by the CVSS vector, attackers could also disrupt service continuity through denial-of-service conditions triggered during the exploitation process. This combination of full system compromise and potential service disruption makes it a critical threat to enterprise infrastructure relying on Oracle Fusion Middleware for identity management.
From a classification perspective, this vulnerability aligns with CWE-287 Improper Authentication or CWE-94 Code Injection depending on the specific technical root cause within the LDAP parsing logic. In terms of adversary behavior, it maps to MITRE ATT&CK techniques such as T1078 Valid Accounts if credentials are harvested post-exploitation, and potentially T1136 Create Account for persistence. The lack of required authentication (PR:N) in the CVSS vector highlights a fundamental failure in access control verification before processing LDAP queries against third-party jar implementations.
Mitigation strategies must prioritize immediate patching to the latest available version that addresses this specific flaw within the Centralized Thirdparty Jars component. Organizations should also implement network segmentation to restrict direct LDAP traffic from untrusted networks to Oracle Fusion Middleware servers, ensuring that only authorized application tiers can communicate with directory services. Additionally, deploying intrusion detection systems configured to detect anomalous LDAP query patterns or malformed requests can provide an additional layer of defense against exploitation attempts while patches are being applied. Regular auditing of third-party library dependencies and enforcing strict input validation on all external-facing authentication endpoints remain essential long-term security practices to prevent similar vulnerabilities in the future.