CVE-2026-87172 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 low privileged attacker with network access via HTTP to compromise Oracle Hyperion Financial Management. While the vulnerability is in Oracle Hyperion Financial Management, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Financial Management. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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 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 HTTP network connections. The nature of this vulnerability allows an attacker with minimal initial credentials or privileges to escalate their position within the system, ultimately achieving full administrative control over the Oracle Hyperion Financial Management application. Such a compromise is particularly severe because it bypasses standard authentication and authorization mechanisms, allowing unauthorized entities to manipulate sensitive financial records without detection by traditional perimeter defenses.
The operational impact of this vulnerability extends beyond the immediate scope of the affected product due to its potential for significant collateral damage across additional integrated systems. When an attacker gains takeover of Oracle Hyperion Financial Management, they effectively control a central hub often used for enterprise performance management and reporting. This means that successful exploitation can lead to widespread data exfiltration, where confidential financial strategies, budgets, and forecasts are stolen by malicious actors. Furthermore, the integrity impact allows attackers to alter critical financial statements or transaction records, potentially leading to severe regulatory non-compliance, fraudulent reporting, and substantial reputational damage for the organization. The availability aspect of the CVSS score indicates that this flaw can also be leveraged to disrupt business operations through denial-of-service conditions or by corrupting system configurations, thereby halting essential financial processes.
From a technical classification perspective, this vulnerability aligns with CWE-287 Improper Authentication and CWE-269 Unauthorized Privilege Escalation, as it allows low-privileged users to assume higher levels of access without proper verification. The attack vector corresponds to MITRE ATT&CK techniques such as T1078 Valid Accounts for initial access via network services and T1068 Exploitation for Privilege Escalation within the application layer. Because the exploitation occurs over HTTP, it suggests a potential misconfiguration or lack of secure channel enforcement in the web server handling requests to this component. The high availability impact score further implies that the vulnerability may involve memory corruption or logic errors that can crash services if exploited aggressively, adding a denial-of-service dimension to the primary authentication bypass flaw.
Mitigation strategies must prioritize immediate isolation and patching given the critical severity rating of 9.9 on the CVSS v3.1 scale. Organizations should apply the latest security patches provided by Oracle for version 11.2.26.0.000 as soon as they are available in a test environment to verify compatibility before production deployment. In the interim, network segmentation is crucial; administrators should restrict HTTP access to this component strictly from trusted internal subnets and enforce HTTPS with strong certificate validation to prevent man-in-the-middle attacks that could facilitate credential harvesting or request manipulation. Additionally, implementing strict role-based access control policies ensures that even if an attacker gains initial low-level access, their ability to escalate privileges is limited by granular permission settings. Continuous monitoring of authentication logs for anomalous login patterns and privilege changes can help detect exploitation attempts early, allowing security teams to respond before full system takeover occurs.