CVE-2026-87193 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 unauthenticated 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. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
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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 an unauthenticated attacker to compromise the integrity and confidentiality of the application environment. The attack vector is network-based via HTTP, meaning no physical access or prior authentication credentials are required for exploitation. An adversary with basic network connectivity can target this vulnerability remotely, leveraging the lack of proper input validation or authorization checks inherent in the security module's handling of incoming requests. This characteristic significantly lowers the barrier to entry for malicious actors, enabling them to bypass standard security controls that would otherwise restrict access to sensitive financial data and administrative functions within the Oracle Hyperion ecosystem.
The technical nature of this flaw aligns with common patterns found in web application vulnerabilities where authentication mechanisms are either missing or improperly enforced at specific endpoints. By exploiting this weakness, an attacker can gain unauthorized access to critical data stored within the Financial Management system. The impact is severe, as successful exploitation results in a high level of confidentiality compromise, allowing the adversary to view sensitive financial records, reports, and configurations that should be restricted to authorized personnel only. In some scenarios, depending on the specific implementation details not fully disclosed but implied by the severity rating, this could escalate to complete access to all accessible data within the Oracle Hyperion Financial Management instance. This level of access enables attackers to exfiltrate proprietary financial information, manipulate reporting structures, or use the compromised system as a pivot point for further attacks against internal networks that rely on these financial systems for operational decision-making.
From an industry standards perspective, this vulnerability is best classified under CWE-287, which denotes Improper Authentication, and potentially CWE-306 if it involves missing checks for critical functionality. The attack pattern corresponds to the ATT&CK technique T1078, Valid Accounts or Initial Access through unauthenticated access vectors, although in this specific case, no valid account is needed initially. The CVSS 3.1 base score of 7.5 reflects a High severity rating driven primarily by the high impact on confidentiality with no direct impact on integrity or availability at the baseline level. This scoring indicates that while the system remains operational and data may not be immediately altered, the exposure of sensitive information poses a significant risk to organizational security posture and regulatory compliance.
Mitigation strategies must focus on immediate isolation and patching. Organizations running Oracle Hyperion Financial Management version 11.2.26.0.000 should apply the latest available patches provided by Oracle as soon as possible, ensuring that all components of the suite are updated to address known security flaws. In environments where patching is not immediately feasible due to operational constraints, network-level controls such as firewalls and web application firewalls should be configured to restrict access to the affected HTTP endpoints exclusively from trusted IP addresses or internal subnets. Additionally, implementing strict input validation on any custom integrations or scripts interacting with this component can help mitigate exploitation attempts. Regular security audits and penetration testing are recommended to identify similar weaknesses in authentication logic across other modules of the application suite, ensuring a comprehensive defense-in-depth approach against unauthenticated remote attacks.