CVE-2026-87216 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 logon to the infrastructure where Oracle Hyperion Financial Management executes 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 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/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 low-privileged access to the underlying infrastructure where the application executes. The nature of this vulnerability allows an attacker who has already gained logon credentials with minimal privileges on the host system to escalate their influence significantly, ultimately leading to a complete takeover of the Oracle Hyperion Financial Management environment. This scenario highlights a severe failure in privilege separation and input validation mechanisms within the security module, allowing local actors to bypass intended access controls and execute arbitrary actions that compromise the entire application stack.
From a technical perspective, this vulnerability aligns with common weaknesses associated with improper handling of authentication tokens or insecure direct object references when processing requests from authenticated but low-privileged users. The ability for an attacker with logon access to achieve full administrative control suggests flaws in how session management and role-based access controls are enforced at the application layer versus the operating system level. Such a flaw typically involves insufficient verification of user permissions before executing sensitive operations, or potentially insecure deserialization processes that allow code execution under elevated privileges. The ease of exploitation indicates that no complex payload construction or social engineering is required beyond obtaining basic logon credentials to the infrastructure, making this a high-risk issue for organizations relying on Hyperion for critical financial reporting and analysis.
The operational impact of successfully exploiting this vulnerability is severe, as indicated by the CVSS 3.1 Base Score of 7.8, which reflects high impacts across confidentiality, integrity, and availability. A successful attack results in the complete compromise of Oracle Hyperion Financial Management, granting the attacker full control over the application. This level of access enables malicious actors to exfiltrate sensitive financial data, alter critical financial records leading to significant regulatory and compliance violations such as SOX non-compliance, or disrupt business operations by rendering the system unavailable. The broad impact on confidentiality means that proprietary financial strategies and client data could be leaked, while integrity impacts allow for fraudulent transactions or manipulated reports being generated and disseminated. Availability impacts ensure that critical financial closing processes can be halted, causing direct operational downtime and potential revenue loss.
In terms of industry standards classification, this vulnerability is best categorized under CWE-269: Improper Privilege Management, as it involves a low-privileged user gaining higher-level access than intended. It also relates to CWE-78: OS Command Injection or CWE-502: Deserialization of Untrusted Data if the takeover mechanism relies on executing system commands or processing malicious objects. From an offensive security perspective, this aligns with MITRE ATT&CK techniques such as T1078: Valid Accounts and potentially T1068: Exploitation for Privilege Escalation, depending on the specific exploitation path used to move from local logon to application takeover. These classifications underscore the necessity of strict adherence to least-privilege principles and robust input validation within enterprise financial applications.
To mitigate this risk, immediate action is required to apply the latest security patches provided by Oracle for version 11.2.26.0.000 or upgrade to a supported, patched release where these specific flaws in the Security component have been addressed. Organizations should also implement network segmentation strategies to restrict access to Hyperion infrastructure servers, ensuring that only authorized administrative accounts can log on directly to the application hosts. Additionally, enforcing multi-factor authentication for all user accounts and monitoring logs for unusual privilege escalation attempts or unauthorized configuration changes can provide early detection of exploitation activities. Regular vulnerability assessments focused on financial management systems are essential to identify similar weaknesses before they can be leveraged by attackers seeking to compromise critical business data integrity.