CVE-2026-70847 in Hyperion Financial Management
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Hyperion Financial Management executes to compromise Oracle Hyperion Financial Management. While the vulnerability is in Oracle Hyperion Financial Management, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Security component of Oracle Hyperion Financial Management, specifically affecting version 11.2.25.0.000 and potentially other supported releases in the suite. This flaw represents a critical weakness in how the application handles authentication and authorization checks for sensitive data resources. The core technical issue involves an insufficient mechanism to validate user privileges when accessing specific internal endpoints or data structures, allowing attackers who have already established a foothold within the infrastructure to bypass intended access controls. Unlike vulnerabilities that require complex exploitation chains or high-privilege initial access, this flaw is easily exploitable by low privileged users who possess valid logon credentials to the underlying operating system or network segment where Hyperion Financial Management executes. This characteristic significantly lowers the barrier for entry, enabling adversaries with minimal standing within the environment to escalate their influence over the application's data integrity and confidentiality.
From a technical perspective, this vulnerability aligns closely with CWE-284 Improper Access Control, as it allows an actor to access resources or perform actions that they are not explicitly authorized to do. The exploitation does not require user interaction, classified under UI:N in the CVSS vector, meaning automated tools can leverage this flaw without needing social engineering tactics such as phishing links. Once a low-privileged attacker authenticates to the infrastructure hosting Oracle Hyperion Financial Management, they can craft specific requests that exploit the logic error within the security module. This leads directly to unauthorized access to critical financial data stored within the system. The impact is severe because financial management systems contain highly sensitive information including budgets, forecasts, actuals, and audit trails. Compromise of this data can lead to significant regulatory violations, particularly under frameworks like SOX or GDPR, due to the exposure of confidential corporate metrics that are not meant for public or unauthorized internal dissemination.
The operational impact extends beyond the immediate application scope due to a phenomenon known as scope change in vulnerability assessment terminology. While the technical flaw is located within Oracle Hyperion Financial Management, successful exploitation can significantly impact additional products and services connected to this ecosystem. This lateral movement capability arises because financial data often serves as a central hub for other enterprise resource planning tools, business intelligence platforms, and reporting engines that rely on accurate and secure access from Hyperion. An attacker gaining complete access to all accessible data in Oracle Hyperion Financial Management can extract sensitive information that feeds into these downstream systems, potentially compromising the integrity of broader organizational decision-making processes. The confidentiality impact is rated as High in the CVSS 3.1 scoring model, reflecting the potential for substantial damage through data exfiltration rather than immediate system disruption or denial of service.
In terms of threat actor behavior and tactical mapping, this vulnerability facilitates actions consistent with ATT&CK technique T1078 Valid Accounts, where attackers use legitimate credentials to gain access, followed by T1530 Data from Cloud Storage if the data is exfiltrated to external locations. The low attack complexity and availability of valid accounts make this a prime target for insider threats or compromised service accounts that have been escalated through other means. Organizations must recognize that perimeter defenses are insufficient against attacks originating from within the infrastructure where such vulnerabilities exist, highlighting the importance of internal segmentation and strict least-privilege principles even for application-level services.
Mitigation strategies should prioritize immediate patching to the latest available version provided by Oracle, which addresses the underlying logic errors in the security component. In environments where patching is not immediately feasible due to operational constraints, network segmentation becomes critical. Administrators should restrict access to the Hyperion Financial Management servers from untrusted or low-privileged subnets, ensuring that only authorized application service accounts and administrative workstations can communicate with the vulnerable components. Additionally, implementing robust logging and monitoring for unusual data access patterns can help detect exploitation attempts in real-time. Security teams should audit user permissions within the Hyperion environment to ensure no unnecessary broad-access roles are assigned to low-privileged users. Regular vulnerability scanning focused on application-layer flaws is also recommended to identify similar misconfigurations or unpatched components before they can be leveraged by adversaries seeking to compromise financial data integrity.