CVE-2026-70940 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 connection via HTTP. The nature of this vulnerability allows an attacker with basic user credentials or even unauthenticated access in certain configurations to bypass standard security controls, leading to a complete compromise of the application environment. Given the high severity rating and the specific impact on confidentiality, integrity, and availability, this flaw poses a significant risk to organizations relying on Oracle Hyperion for critical financial reporting and analysis operations.
From a technical perspective, the vulnerability enables an attacker with low privileges to escalate their access level effectively resulting in full system takeover. This escalation is facilitated through network-based interactions over HTTP, which suggests that the issue may involve improper validation of user inputs, flawed authentication mechanisms, or insecure session management practices within the security module. The ability for a low-privileged actor to achieve administrative control indicates a fundamental breakdown in privilege separation and access control logic. Such flaws are often categorized under CWE-269 Improper Privilege Management or CWE-732 Incorrect Permission Assignment for Critical Resource, reflecting the failure of the system to enforce appropriate restrictions on user actions based on their assigned roles. The ease of exploitation further exacerbates the risk, as it reduces the barrier to entry for malicious actors who may possess minimal technical expertise but have network access to the affected environment.
The operational impact of this vulnerability is severe and multifaceted. With a CVSS 3.1 Base Score of 8.8, classified as High severity, the potential consequences include unauthorized disclosure of sensitive financial data, manipulation of critical business records, and disruption of essential services. Attackers can exfiltrate confidential information such as revenue figures, expense reports, and strategic plans, leading to significant competitive disadvantage and regulatory penalties under frameworks like GDPR or SOX if applicable. Furthermore, the ability to alter integrity ensures that attackers can inject fraudulent transactions or modify existing ones, compromising the accuracy of financial statements. The availability impact means that systems could be rendered inaccessible through denial-of-service techniques or by corrupting core application files, halting business operations and causing substantial financial loss.
In terms of threat modeling, this vulnerability aligns with ATT&CK technique T1078 Valid Accounts, where attackers use legitimate credentials to gain initial access, followed by privilege escalation tactics such as T1068 Exploitation for Privilege Escalation or T1548 Abuse Elevation Control Mechanism if the flaw involves bypassing operating system controls. The network-based nature of the attack via HTTP also relates to MITM (Man-in-the-Middle) considerations, although the primary vector here is direct exploitation due to weak security implementation rather than interception. Organizations must recognize that low-privileged accounts are often targeted as a stepping stone for broader compromise, making this vulnerability particularly dangerous in environments where least privilege principles have not been strictly enforced or monitored.
Mitigation strategies should prioritize immediate patching if Oracle has released a fix for version 11.2.25.0.000. In the absence of an official patch, administrators must implement strict network segmentation to limit HTTP access to only trusted internal subnets and enforce strong authentication policies such as multi-factor authentication where possible. Web Application Firewalls can be configured to detect and block anomalous requests that attempt to exploit this specific flaw. Additionally, rigorous monitoring of user activity logs for signs of privilege escalation or unusual data access patterns is essential for early detection. Regular security assessments and penetration testing should be conducted to identify similar weaknesses in other components of the Oracle Hyperion suite, ensuring a holistic approach to securing financial management infrastructure against evolving cyber threats.