CVE-2026-70944 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 TCP 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 TCP network connections. The nature of this vulnerability allows an attacker with minimal initial credentials or privileges to escalate their position within the system, ultimately leading to a complete takeover of the Oracle Hyperion Financial Management environment. Such a compromise grants the adversary unrestricted control over the application layer, enabling them to manipulate financial records, exfiltrate sensitive corporate data, and disrupt operational continuity without detection by standard security monitoring tools that may not account for low-privilege escalation paths in this specific component.
From a technical perspective, the flaw likely stems from insufficient validation or authorization checks within the security handling mechanisms of the Hyperion application server. When an attacker sends specially crafted requests via TCP, the system fails to properly verify if the user has sufficient rights to execute certain administrative functions or access restricted resources. This lack of proper privilege separation allows a low-privileged account to perform actions typically reserved for administrators, such as modifying configuration files, accessing database backends directly through application interfaces, or executing arbitrary code within the context of the service account running Hyperion. The ease of exploitation indicates that no user interaction is required beyond network connectivity and valid authentication credentials at a lower privilege level, making this vulnerability particularly dangerous in environments where internal segmentation between different user roles may be lax or poorly enforced.
The operational impact of successfully exploiting this vulnerability is severe, as reflected by the CVSS 3.1 Base Score of 8.8 which denotes High severity across all three core metrics: Confidentiality, Integrity, and Availability. The high confidentiality impact suggests that attackers can access sensitive financial data, including payroll information, budget forecasts, and audit trails, leading to potential regulatory violations under frameworks such as SOX or GDPR if personal identifiable information is involved. The integrity impact implies that an attacker could alter transaction records, manipulate ledgers, or inject fraudulent entries into the general ledger, compromising the accuracy of financial reporting for stakeholders and investors. Furthermore, the availability impact indicates that the vulnerability can be leveraged to cause denial-of-service conditions by crashing application services or corrupting critical system files, thereby halting business operations and requiring significant time and resources for recovery from backups.
This incident aligns with common attack patterns documented in industry standards such as CWE-269 Improper Privilege Management and CWE-862 Missing Authorization, which describe scenarios where users are permitted to access or modify data they should not be able to reach due to flawed permission logic. In terms of the MITRE ATT&CK framework, this vulnerability facilitates techniques associated with Initial Access via valid accounts and subsequent Lateral Movement if the compromised account has broader network permissions. It also relates to Defense Evasion by allowing attackers to operate under low-privilege identities while performing high-level actions, thereby bypassing traditional security controls that focus on blocking external threats or high-privilege breaches. The vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H confirms the network-based nature of the attack and its potential for widespread impact across connected systems within an enterprise architecture.
To mitigate this risk, organizations must immediately apply the latest security patches provided by Oracle for Hyperion Financial Management version 11.2.25.0.000 or upgrade to a supported release where these authorization flaws have been addressed. In addition to patching, it is crucial to review and enforce strict role-based access control policies within the Hyperion environment, ensuring that users are granted only the minimum privileges necessary for their job functions. Network segmentation should be implemented to restrict TCP access to the Hyperion application servers from untrusted networks or low-privilege user subnets. Regular vulnerability assessments and penetration testing focused on authentication and authorization mechanisms will help identify similar weaknesses before they can be exploited by malicious actors. Monitoring tools should also be configured to detect anomalous behavior patterns, such as rapid privilege escalation attempts or unusual data access requests originating from low-level accounts, providing an additional layer of defense against exploitation of this vulnerability.