CVE-2026-62608 in Reports Developer
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Authentication). The supported version that is affected is 12.2.1.19.0. Easily exploitable vulnerability allows low privileged attacker with network access via CORBA to compromise Oracle Reports Developer. While the vulnerability is in Oracle Reports Developer, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Reports Developer. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Oracle Reports Developer component of Oracle Fusion Middleware version 12.2.1.19.0, specifically affecting its Security and Authentication mechanisms. This flaw represents a critical security deficiency that undermines the integrity of the application's access control systems. The core issue stems from an improper implementation or validation process within the CORBA (Common Object Request Broker Architecture) interface used by Oracle Reports Developer. CORBA is a standard defined by the Object Management Group for enabling interoperability between objects in different environments, but it introduces complex attack surfaces when authentication and authorization checks are not rigorously enforced at every invocation point. In this specific instance, the vulnerability allows an attacker to bypass expected security constraints due to insufficient validation of incoming requests or improper handling of authenticated sessions over the network.
The operational impact of this flaw is severe, as indicated by a CVSS 3.1 Base Score of 9.9 out of 10. This high severity rating reflects that the vulnerability is easily exploitable with low privileges and requires no user interaction. An attacker possessing only low-level access to the network can leverage this weakness to compromise Oracle Reports Developer completely. The vector (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H) highlights several critical factors: the attack vector is Network-based, meaning remote exploitation is possible without physical or local console access; Attack Complexity is Low, implying that reliable exploits are readily available and do not require intricate conditions to succeed; Privileges Required are Low, allowing attackers with minimal initial foothold to escalate their influence significantly. Furthermore, the Scope Change from C (Changed) indicates that while the vulnerability technically exists within Oracle Reports Developer, successful exploitation can lead to a compromise of other connected or dependent products in the ecosystem, thereby expanding the blast radius beyond the immediate application boundary.
The consequences of a successful attack are comprehensive and devastating for confidentiality, integrity, and availability. With a perfect score across all three categories (C:H/I:H/A:H), an attacker who exploits this vulnerability can gain full control over Oracle Reports Developer. This takeover enables the unauthorized disclosure of sensitive data stored or processed by the reporting engine, which may include proprietary business intelligence, customer information, or financial records. Additionally, the integrity impact allows attackers to modify reports, inject malicious code into generated outputs, or alter system configurations to persist their access. The availability impact suggests that an attacker could also disrupt service through denial-of-service conditions triggered during exploitation attempts or by corrupting critical application files and databases associated with the reporting infrastructure.
From a classification perspective, this vulnerability aligns closely with CWE-287 (Improper Authentication) and potentially CWE-269 (Improper Privilege Assignment), as it allows low-privileged users to perform actions reserved for higher-level administrators or system components. In terms of offensive security frameworks such as MITRE ATT&CK, the exploitation path likely involves techniques related to Initial Access via Network Service Exploitation and subsequent Lateral Movement if the compromised instance is used to pivot into other parts of the network architecture. The use of CORBA also introduces risks associated with legacy protocol vulnerabilities, where older communication standards may lack modern security features like mutual authentication or encrypted payloads by default, making them susceptible to interception and manipulation if not properly hardened.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. Oracle has likely released a patch for version 12.2.1.19.0 that addresses the specific flaw in the CORBA security handler or authentication module. Organizations should prioritize applying this update immediately to all affected instances. In addition to patching, it is crucial to review network segmentation policies to ensure that the Oracle Reports Developer service is not exposed directly to untrusted networks such as the public internet. Access controls should be tightened by restricting CORBA port access to only known and authorized IP addresses using firewall rules or security groups. Furthermore, administrators should audit existing user accounts within Oracle Fusion Middleware to enforce the principle of least privilege, ensuring that even if an attacker gains initial low-level access, their ability to escalate privileges is minimized through robust role-based access control (RBAC) configurations. Regular vulnerability scanning and penetration testing focused on middleware components can help identify similar misconfigurations before they are exploited in production environments.