CVE-2026-87201 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. 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 • 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 a network connection via HTTP. The nature of this vulnerability allows an attacker with basic user credentials to escalate their privileges significantly, ultimately leading to complete takeover of 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 effectively neutralizes existing access controls and authentication mechanisms designed to protect sensitive corporate data.
From a technical perspective, the flaw enables an attacker with low privileges to bypass security restrictions through network-based interactions over HTTP. The ease of exploitation suggests that complex attack chains or specialized tools are not required, making this vulnerability particularly dangerous in environments where internal users may have varying levels of access rights. Once exploited, the attacker gains unauthorized control over the application server, which can lead to arbitrary code execution, data exfiltration, and modification of financial records. The high impact on confidentiality, integrity, and availability is reflected in a CVSS 3.1 Base Score of 8.8, indicating that the vulnerability has significant potential for causing widespread disruption or data loss within an enterprise infrastructure.
The operational impact of this vulnerability extends beyond immediate system compromise to include long-term reputational damage and regulatory non-compliance. Financial management systems often contain highly sensitive information regarding corporate performance, mergers, acquisitions, and strategic planning. A successful takeover allows malicious actors to alter financial statements, steal intellectual property, or deploy ransomware across the network segment connected to the application server. Furthermore, because the attack can be initiated via HTTP without user interaction, it is susceptible to automated scanning tools used by threat actors seeking quick wins against vulnerable enterprise software deployments. This lack of required user interface interaction lowers the barrier for entry significantly compared to vulnerabilities requiring social engineering or complex UI manipulation.
In terms of industry standard classifications, this vulnerability aligns with CWE-269 Improper Privilege Management and potentially CWE-798 Use of Hard-coded Credentials if authentication bypass is involved, depending on the specific technical root cause not fully detailed in the summary but implied by the low privilege requirement for high impact. From an ATT&CK perspective, this maps to techniques involving Initial Access via valid accounts (T1078) and Privilege Escalation (T1068), as well as potentially Credential Dumping or Data Exfiltration depending on post-exploitation activities enabled by the takeover. The network-based nature of the attack also relates to T1021 Remote Services, specifically HTTP services if exposed directly without proper segmentation.
Mitigation strategies must prioritize immediate patching and access control hardening. Organizations running Oracle Hyperion Financial Management version 11.2.26.0.000 should apply the latest security patches provided by Oracle as soon as they are available to address this specific flaw in the Security component. In addition to patching, it is crucial to enforce strict network segmentation policies that limit HTTP access to only authorized administrative subnets or virtual private networks rather than exposing these services directly to untrusted networks. Implementing multi-factor authentication for all user accounts can also mitigate the risk of credential-based exploitation even if low-privilege accounts are compromised. Regular vulnerability assessments and penetration testing should be conducted to identify similar misconfigurations in other enterprise applications, ensuring a holistic approach to securing financial management infrastructure against privilege escalation attacks.