CVE-2026-87227 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 does not require user interaction or complex preconditions beyond basic network connectivity. The nature of this vulnerability allows for remote code execution or privilege escalation through standard HTTP protocols, which are commonly used in enterprise environments for web-based application access. Given the critical role Oracle Hyperion plays in financial reporting and analysis within large organizations, compromising this system can lead to severe operational disruptions and significant data breaches affecting sensitive corporate finances.
From a technical perspective, the flaw enables low-privileged attackers with network access via HTTP to compromise the underlying infrastructure of Oracle Hyperion Financial Management. The ease of exploitation suggests that the vulnerability likely stems from insufficient input validation or improper authentication checks within the security module's handling of HTTP requests. Attackers can leverage this weakness to bypass existing security controls and gain elevated privileges, effectively taking over the application environment. This takeover capability implies that an attacker could manipulate financial records, exfiltrate confidential data, or disrupt critical business processes by altering system configurations or injecting malicious code into the application logic. The absence of a user interface requirement for exploitation further lowers the barrier to entry for threat actors, making this vulnerability particularly dangerous in networked environments where internal segmentation may be lax.
The operational impact of successfully exploiting this vulnerability is severe, as indicated by the high CVSS 3.1 base score of 8.8. This score reflects substantial impacts on confidentiality, integrity, and availability. In terms of confidentiality, attackers can access sensitive financial data that should remain restricted to authorized personnel only. Regarding integrity, the ability to take over the system allows for unauthorized modifications to financial reports and transaction records, which could lead to fraudulent activities or inaccurate regulatory reporting. For availability, an attacker might disrupt service by crashing application processes or locking out legitimate users through resource exhaustion attacks facilitated by the compromised security module. The combination of these impacts means that a single successful exploit can have cascading effects on organizational trust, financial accuracy, and operational continuity.
In alignment with industry standards, this vulnerability maps to CWE-287 Improper Authentication, as it allows low-privileged users to bypass expected access controls. Additionally, the exploitation method aligns with MITRE ATT&CK technique T1059 Command and Scripting Interpreter if code execution is achieved, or T1078 Valid Accounts if existing credentials are abused due to weak authentication checks. The network-based nature of the attack via HTTP corresponds to initial access vectors often seen in web application attacks where input sanitization fails. Understanding these mappings helps security teams contextualize the risk within broader threat landscapes and prioritize remediation efforts based on established taxonomies of software weaknesses and adversary behaviors.
To mitigate this vulnerability, immediate patching is essential as Oracle likely provides a specific update or hotfix for version 11.2.26.0.000 that addresses the security flaw in the Hyperion Financial Management component. Organizations should prioritize applying these patches to all affected instances within their infrastructure. In addition to patching, implementing network-level controls such as restricting HTTP access to only trusted IP ranges and enforcing strict firewall rules can reduce the attack surface. Deploying Web Application Firewalls with updated signatures for known exploitation patterns related to this vulnerability can provide an additional layer of defense by inspecting incoming traffic for malicious payloads or anomalous request structures associated with exploiting authentication bypasses. Regular security audits and penetration testing should also be conducted to identify any residual weaknesses in access control mechanisms across the financial management suite.