CVE-2026-71150 in Hyperion Financial Management
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.25.0.000. 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 • 08/19/2026
The identified vulnerability resides within the Security component of Oracle Hyperion Financial Management version 11.2.25.0.000, 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 only low-privileged access over a network via HTTP protocol. The nature of this vulnerability allows an attacker with basic user credentials to escalate their privileges significantly, ultimately leading to complete control over the Oracle Hyperion Financial Management application environment. Such a compromise poses severe risks to organizations relying on this platform for critical financial reporting and analysis, as it bypasses standard authentication mechanisms that are designed to restrict access based on role-based permissions.
From a technical perspective, the flaw likely involves improper validation of user privileges or insecure handling of session tokens within the HTTP communication layer. This deficiency enables an attacker who has already gained low-level network access to manipulate requests in a way that circumvents authorization checks. The absence of adequate input sanitization or privilege verification allows malicious actors to execute administrative functions or access sensitive data structures without possessing the necessary high-level credentials. This type of flaw is characteristic of broken access control issues where the application fails to enforce proper separation between different user roles, allowing lower-privileged entities to perform actions reserved for administrators or higher-tier users.
The operational impact of this vulnerability is substantial, as indicated by a CVSS 3.1 Base Score of 8.8, which classifies it as High severity. The vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reveals that the attack can be conducted remotely over the network with low complexity and no user interaction required beyond initial authentication. Crucially, the impacts on Confidentiality, Integrity, and Availability are all rated as High, meaning a successful exploit could lead to unauthorized disclosure of sensitive financial data, modification or deletion of critical records, and disruption of service availability. This triad of high-impact consequences means that an attacker can not only steal proprietary financial information but also alter ledgers or render the system unusable for legitimate business operations, causing significant reputational damage and potential regulatory penalties.
In terms of industry standard classifications, this vulnerability aligns with CWE-269 Improper Privilege Management and potentially CWE-862 Missing Authorization, as it allows a low-privileged user to perform actions beyond their intended scope. Furthermore, the exploitation technique maps closely to MITRE ATT&CK techniques such as T1078 Valid Accounts, where attackers use legitimate credentials to gain initial access, followed by privilege escalation tactics like T1068 Exploitation for Privilege Escalation or T1548 Abuse Elevation Control Mechanism if the flaw involves bypassing operating system controls. The remote network aspect also relates to T1071 Application Layer Protocol, specifically HTTP, which is often used to blend malicious traffic with normal web activity to evade detection by perimeter security devices.
Mitigation strategies must focus on immediate patching and enhanced monitoring. Oracle should be consulted for the latest security patches that address this specific flaw in version 11.2.25.0.000, as vendor-provided updates are typically the most reliable method to resolve underlying code defects. In addition to applying patches, organizations should enforce strict network segmentation to limit HTTP access to Hyperion servers only from trusted internal subnets or through secure VPN tunnels with multi-factor authentication enabled for all user accounts. Implementing Web Application Firewalls can help detect and block anomalous request patterns associated with privilege escalation attempts. Regular security audits and penetration testing focused on authorization logic are also recommended to identify similar weaknesses in other components of the financial management suite before they can be exploited by malicious actors seeking to compromise critical financial infrastructure.