CVE-2026-87240 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. Difficult to exploit 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 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/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 risk to organizations relying on this enterprise performance management platform for financial reporting and analysis. This flaw is classified as an access control issue where the application fails to properly enforce security boundaries during authentication or session handling processes. The vulnerability allows a low-privileged attacker who has already obtained valid logon credentials to escalate their privileges within the system environment. Although the attack vector requires local network access and high complexity, meaning it cannot be exploited remotely over the internet without prior foothold, the potential impact is severe due to the sensitive nature of financial data managed by Hyperion Financial Management systems.
From a technical perspective, this vulnerability aligns with CWE-269 Improper Privilege Assignment or potentially CWE-732 Incorrect Permission Assignment for Critical Resource depending on the specific implementation flaw within the security module. The attacker leverages their existing low-level access to manipulate internal state variables or bypass authorization checks that should restrict certain administrative functions or data visibility levels. By exploiting this logic error, the adversary can execute commands or access resources intended only for higher-privileged users such as system administrators or financial controllers. This effectively results in a complete compromise of the application layer, allowing the attacker to assume the identity and capabilities of an administrator account without needing additional credentials or complex exploitation techniques beyond initial low-level access.
The operational impact of this vulnerability is substantial given that Oracle Hyperion Financial Management typically handles confidential financial statements, budgets, forecasts, and regulatory compliance data. A successful exploit leads to a total takeover of the application environment as indicated by the CVSS 3.1 base score of 7.0 which reflects high impacts on confidentiality integrity and availability. Attackers could exfiltrate sensitive financial records modify critical configuration settings or disrupt business operations by altering reporting structures. This scenario poses significant risks for regulatory compliance including SOX GDPR and other data protection mandates since unauthorized access to such systems can lead to material misstatements in financial reports and potential legal liabilities for the organization.
Mitigation strategies must focus on both immediate remediation and long-term security hardening. Oracle has likely released a patch or update addressing this specific flaw which should be applied immediately to all affected instances of version 11.2.26.0.000 in accordance with standard vulnerability management practices. In addition to applying patches organizations should enforce strict least privilege principles ensuring that users are granted only the minimum permissions necessary for their roles. Network segmentation is also critical as this vulnerability requires local logon access so isolating Hyperion servers from general user networks and restricting direct login capabilities can significantly reduce the attack surface. Implementing multi-factor authentication adds an additional layer of security making it harder for attackers to maintain persistent low-privileged access even if initial credentials are compromised.
This incident highlights the importance of continuous monitoring and auditing within enterprise financial systems. Security teams should implement robust logging mechanisms that capture all privilege escalation attempts and unusual administrative activities within Hyperion Financial Management. Integrating these logs with a SIEM solution allows for real-time detection of potential exploitation attempts based on behavioral anomalies rather than just signature-based threats. Furthermore regular security assessments including penetration testing focused on access control flaws can help identify similar weaknesses before they are exploited by malicious actors. Adhering to industry frameworks such as MITRE ATT&CK this vulnerability relates primarily to techniques involving privilege escalation and lateral movement within the enterprise network emphasizing the need for comprehensive endpoint detection and response capabilities alongside application-level security controls.