CVE-2026-87224 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 takeover of Oracle Hyperion Financial Management. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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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 version 11.2.26.0.000, representing a critical security flaw that undermines the integrity and confidentiality of financial data processing systems. This specific iteration of the software is susceptible to an easily exploitable attack vector that requires only low-privileged access over a network connection via HTTP. The nature of this vulnerability allows an attacker with minimal initial credentials or privileges to escalate their position within the system, ultimately leading to a complete takeover of the Oracle Hyperion Financial Management environment. This level of compromise indicates a fundamental failure in authentication or authorization mechanisms, allowing unauthorized entities to bypass security controls that are designed to restrict access based on user roles and permissions.
From a technical perspective, this vulnerability aligns with common weaknesses found in enterprise application servers where input validation or session management is insufficiently enforced. The ability for an attacker to exploit the flaw via HTTP suggests potential issues such as insecure direct object references, broken access control, or improper handling of authentication tokens. By leveraging network accessibility and low-privileged credentials, the adversary can manipulate internal processes to execute arbitrary actions with elevated privileges. This effectively neutralizes the security boundary between standard users and administrative functions, enabling the attacker to perform operations that should be restricted to system administrators. The simplicity of exploitation lowers the barrier for entry, making this vulnerability particularly dangerous in environments where network segmentation or strict access policies are not fully implemented at all layers.
The operational impact of a successful exploit is severe, encompassing high impacts on confidentiality, integrity, and availability as reflected by the CVSS 3.1 base score of 8.8. Confidentiality is compromised because the attacker gains full control over the application, potentially allowing them to exfiltrate sensitive financial data, customer information, or proprietary business strategies stored within the Hyperion system. Integrity is affected as the attacker can modify financial records, alter reports, and manipulate transactional data without detection, which could lead to significant regulatory violations and inaccurate financial reporting for stakeholders. Availability impacts arise if the attacker chooses to disrupt services, delete critical configurations, or deploy malicious payloads that degrade system performance or cause outages. The combination of these factors means that a single successful exploit can result in catastrophic business disruption and substantial reputational damage.
In terms of industry standards classification, this vulnerability is best categorized under CWE-269 Improper Privilege Assignment or CWE-862 Missing Authorization, as the core issue involves an attacker gaining access to resources they are not explicitly authorized to use. Furthermore, from a tactical perspective within the MITRE ATT&CK framework, this behavior corresponds to techniques such as T1078 Valid Accounts and potentially T1098 Exploitation of Remote Services if the HTTP interface is leveraged for initial foothold establishment. The low attack complexity and network accessibility place it in high-risk categories that require immediate attention from security operations teams monitoring for anomalous authentication patterns or unauthorized privilege escalation events within enterprise application servers.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Oracle should be consulted immediately to apply the latest available patches or updates specifically addressing this vulnerability in version 11.2.26.0.000, as vendor-provided fixes are typically designed to address the specific code-level flaws identified during internal testing. In addition to patching, organizations must enforce strict network segmentation policies that limit HTTP access to Hyperion servers only from trusted management networks or jump hosts rather than exposing them directly to broader corporate or public networks. Implementing multi-factor authentication for all administrative and privileged accounts adds a critical layer of defense against credential-based attacks. Furthermore, deploying web application firewalls can help detect and block exploit attempts by identifying malicious HTTP requests associated with privilege escalation techniques. Regular security audits and penetration testing should be conducted to verify that access controls are functioning as intended and that no residual weaknesses remain in the authentication workflow.