CVE-2026-70741 in Hyperion Financial Reporting
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Financial Reporting product of Oracle Hyperion (component: Server). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via RMI to compromise Oracle Hyperion Financial Reporting. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hyperion Financial Reporting accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Financial Reporting accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Oracle Hyperion Financial Reporting product, specifically affecting version 11.2.25.0.000 in its Server component. This security flaw is characterized by a critical lack of authentication enforcement on Remote Method Invocation (RMI) endpoints exposed to network access. RMI is a Java mechanism that allows objects running in one JVM to invoke methods on objects residing in another JVM, often used for distributed enterprise applications like Oracle Hyperion. In this instance, the implementation fails to properly validate credentials or session tokens before processing incoming requests, effectively leaving these administrative and data-access interfaces open to unauthenticated actors who can reach them over the network. This architectural oversight represents a severe breakdown in access control mechanisms, allowing external entities to interact with sensitive backend services without providing valid user identities or permissions.
From a technical perspective, this flaw aligns closely with CWE-287, which describes Improper Authentication, and more specifically CWE-306, the Missing Authentication for Critical Function. The absence of required authentication checks on critical server-side functions permits an attacker to bypass standard security boundaries entirely. Because RMI is designed for inter-process communication in trusted environments, its exposure without adequate safeguards creates a direct path for exploitation. An attacker with network connectivity to the affected host can craft specific serialized Java objects or method calls that are executed by the vulnerable service layer. This execution occurs within the context of the application server, granting the attacker elevated privileges equivalent to those of the underlying system account running the Hyperion Financial Reporting service.
The operational impact of this vulnerability is severe, as indicated by a CVSS 3.1 Base Score of 9.1, which classifies it as Critical. The primary risks involve unauthorized creation, deletion, or modification of critical data within the financial reporting environment. Since Oracle Hyperion handles sensitive financial records and strategic business intelligence, such integrity violations can lead to significant corporate fraud, regulatory non-compliance, and reputational damage. Furthermore, the vulnerability allows for complete access to all accessible data, resulting in a high impact on confidentiality. Attackers can exfiltrate proprietary financial models, budget forecasts, and other confidential information without detection or restriction. The attack vector is classified as Network with Low Complexity and requires no user interaction, making it highly scalable and easily exploitable by automated tools across the internet if the port is exposed.
In terms of threat modeling, this vulnerability facilitates actions consistent with MITRE ATT&CK techniques such as T1078 Valid Accounts or more accurately in this context, unauthorized access due to misconfiguration rather than credential theft. It enables lateral movement and data staging for further exploitation within an enterprise network. The lack of authentication effectively neutralizes the perimeter defense layer regarding these specific endpoints, allowing attackers to pivot from a simple remote connection to full system compromise depending on the privileges assigned to the Hyperion service account.
Mitigation strategies must focus immediately on restricting access to the affected RMI ports and applying vendor-provided security patches if available for version 11.2.25.0.000 or later. Organizations should implement strict firewall rules to ensure that these administrative interfaces are not accessible from untrusted networks, such as the public internet. Additionally, enforcing network segmentation so that only authorized application servers and management consoles can communicate with the Hyperion Financial Reporting server is essential. Security teams should also audit RMI configurations to ensure that security managers are properly installed and configured to enforce authentication policies on all remote method calls. Regular vulnerability scanning focused on exposed enterprise Java services will help identify similar misconfigurations before they can be exploited by malicious actors seeking access to critical financial data infrastructure.