CVE-2026-87246 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 high 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 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/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 characterized by an easily exploitable condition that permits high-privileged attackers with network access via HTTP to compromise the integrity of the application environment. The presence of such a vulnerability in a system designed for sensitive financial data underscores the necessity for immediate remediation, as it directly threatens the confidentiality, integrity, and availability of critical business information processed through the platform.
From a technical perspective, the flaw allows an attacker who already possesses high-level privileges to escalate their control over the Oracle Hyperion Financial Management instance. Although the requirement for high-privileged access suggests that initial lateral movement or credential theft may be necessary prerequisites, the ease of exploitation means that once such access is gained through network vectors like HTTP, the subsequent takeover of the application is straightforward. This characteristic aligns with common patterns seen in insecure direct object references or improper authorization checks where session management or input validation mechanisms fail to adequately restrict actions based on user roles, allowing privileged users to perform unauthorized administrative functions or manipulate system configurations beyond their intended scope.
The operational impact of this vulnerability is severe, as indicated by a CVSS 3.1 Base Score of 7.2, which classifies the issue as High severity. The vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) reveals that while the attack requires high privileges and has low complexity, it affects all three pillars of security: confidentiality, integrity, and availability are all impacted at a high level. An attacker successfully exploiting this flaw could potentially exfiltrate sensitive financial data, alter critical reporting metrics to mislead stakeholders or facilitate fraud, and disrupt service availability by crashing the application or locking out legitimate users. This comprehensive impact profile makes it particularly dangerous for enterprises where uptime and data accuracy are paramount to regulatory compliance and operational continuity.
In terms of industry standard classifications, this vulnerability likely maps to CWE-269 Improper Privilege Management or CWE-862 Missing Authorization, as the core issue involves a failure to enforce proper access controls even when high privileges are present. Furthermore, from an adversary tactics perspective, it relates to ATT&CK technique T1078 Valid Accounts, specifically where attackers leverage existing valid credentials with elevated permissions to maintain persistence and expand their foothold within the network environment. The ability to take over the application completely allows for further exploitation of connected systems, potentially leading to broader lateral movement across the enterprise infrastructure if Hyperion is integrated with other backend databases or authentication services like Active Directory.
Mitigation strategies must prioritize immediate patching by Oracle as soon as an official security update becomes available for version 11.2.26.0.000. In the interim, organizations should implement strict network segmentation to limit HTTP access to only authorized management interfaces and enforce multi-factor authentication where possible to reduce the risk of credential compromise leading to high-privileged access. Additionally, rigorous monitoring of administrative actions within Hyperion Financial Management is recommended to detect anomalous behavior indicative of exploitation attempts. Regular audits of user permissions ensure that no unnecessary high-level privileges are assigned, thereby reducing the attack surface available to potential insiders or external actors who have managed to obtain elevated credentials through other means such as phishing or malware infection.