CVE-2026-87225 in Hyperion Financial Management
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.26.0.000. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Financial Management accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hyperion Financial Management. CVSS 3.1 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Security component of Oracle Hyperion Financial Management, specifically affecting version 11.2.26.0.000 and potentially other supported releases in that lineage. This flaw represents a critical security deficiency that allows for unauthorized access to sensitive financial data and disrupts service availability. The nature of this vulnerability is particularly concerning because it can be exploited by attackers with low privileges who only require network access via the HTTP protocol, eliminating the need for complex authentication bypasses or physical proximity to exploit the issue effectively.
From a technical perspective, the flaw likely stems from insufficient validation or authorization checks within the application logic that processes incoming HTTP requests. This allows an attacker to manipulate inputs in a way that circumvents standard security controls, leading to unauthorized data retrieval or system manipulation. The vulnerability aligns with CWE-287, which describes Improper Authentication, and potentially CWE-352 for Cross-Site Request Forgery if the exploitation involves tricking users into performing actions they did not intend. Furthermore, the ability to cause a partial denial of service suggests issues related to resource exhaustion or improper handling of malicious payloads that degrade system performance, mapping closely to CWE-400: Uncontrolled Resource Consumption.
The operational impact of this vulnerability is severe due to its high confidentiality and moderate availability impacts as reflected in the CVSS 3.1 Base Score of 7.1. Successful exploitation enables a low privileged attacker with network access via HTTP to compromise Oracle Hyperion Financial Management. This results in unauthorized access to critical financial data, which could include sensitive balance sheets, profit and loss statements, or other proprietary corporate information. Additionally, the vulnerability allows for complete access to all accessible data within the system, effectively breaking down data isolation boundaries that are crucial for maintaining integrity in financial applications. Beyond data exfiltration, attackers can also cause a partial denial of service, disrupting business operations by rendering parts of the application unavailable to legitimate users.
In terms of threat actor behavior and tactical mapping, this vulnerability facilitates actions consistent with ATT&CK technique T1078: Valid Accounts, where an attacker uses existing credentials or low-level access to gain deeper privileges. The exploitation via HTTP also aligns with T1190: Exploit Public-Facing Application, highlighting the risk posed by internet-facing services that do not adequately sanitize inputs or enforce strict authorization policies. The partial denial of service capability further correlates with ATT&CK technique T1499: Endpoint Denial of Service, although in this context it is achieved through application-layer exploitation rather than network flooding.
To mitigate these risks, organizations must ensure that Oracle Hyperion Financial Management is updated to the latest available patch level provided by Oracle, which addresses the underlying security flaws in the authentication and request handling mechanisms. Implementing strict access control policies and ensuring that only authorized users have low-privilege accounts with necessary permissions can reduce the attack surface. Additionally, deploying web application firewalls (WAFs) configured to detect and block anomalous HTTP requests associated with this vulnerability type can provide an additional layer of defense. Regular security audits and penetration testing focused on authentication bypasses and resource exhaustion scenarios are recommended to identify similar weaknesses before they can be exploited by malicious actors.