CVE-2026-70817 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 unauthenticated 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 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/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 fundamentally undermines the integrity and confidentiality of enterprise financial data processing systems. This specific iteration of the software is susceptible to an easily exploitable attack vector that does not require any form of authentication or user interaction prior to exploitation. The nature of this vulnerability allows remote attackers who possess network access via HTTP protocols to directly compromise the underlying system architecture, effectively bypassing standard security controls designed to restrict unauthorized access.
From a technical perspective, the flaw enables an unauthenticated attacker with network connectivity to execute actions that result in complete control over the Oracle Hyperion Financial Management environment. This level of access is consistent with high-severity vulnerabilities where the attack complexity is low and no prerequisites such as valid credentials or user interface interactions are necessary for exploitation. The absence of required authentication significantly lowers the barrier to entry for malicious actors, allowing them to leverage this weakness from a remote location without needing prior foothold within the network perimeter.
The operational impact of successfully exploiting this vulnerability is severe, characterized by a total compromise of the affected system. An attacker gaining control can manipulate financial records, exfiltrate sensitive corporate data, or disrupt critical business operations through denial-of-service tactics. The comprehensive nature of the access gained aligns with the CVSS 3.1 base score of 9.8, which reflects high impacts on confidentiality, integrity, and availability. This means that not only can private financial information be stolen, but also that data accuracy can be corrupted or system functionality completely halted, leading to significant potential for financial loss and reputational damage for the organization relying on this platform.
In terms of industry classification standards, this vulnerability maps closely to CWE-287, which describes Improper Authentication, as well as potentially CWE-434 if it involves uploading dangerous files or executing arbitrary code due to lack of input validation in security mechanisms. Furthermore, from a tactical standpoint within the MITRE ATT&CK framework, this exploit aligns with techniques related to Initial Access and Privilege Escalation, specifically those involving network-based attacks that bypass authentication controls. The ability to take over the system implies capabilities associated with Command and Control setup or Data Exfiltration phases depending on the attacker's subsequent objectives after gaining initial access.
Mitigation strategies must prioritize immediate patching of Oracle Hyperion Financial Management to the latest available version released by Oracle, which addresses this specific security flaw in the component responsible for handling authentication requests over HTTP protocols. Organizations should also implement network segmentation to restrict direct internet-facing exposure of these financial management servers, ensuring they are only accessible through secure, authenticated channels such as HTTPS with strong certificate validation. Additionally, deploying Web Application Firewalls can help detect and block exploit attempts targeting this vulnerability by identifying anomalous traffic patterns associated with unauthenticated access attempts or known exploitation signatures until the software update is fully deployed across all affected instances.