CVE-2026-87175 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 unauthenticated attacker with network access via TCP to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hyperion Financial Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
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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, specifically affecting version 11.2.26.0.000 and potentially other supported releases in that lineage. This flaw represents a critical security deficiency that permits unauthenticated attackers to compromise the integrity and confidentiality of the application environment. The attack vector is network-based via TCP, meaning an adversary does not require physical access or prior authentication credentials to initiate exploitation. Instead, remote actors can interact directly with the service over standard network protocols, leveraging the lack of proper input validation or authorization checks inherent in the vulnerable code path. This characteristic significantly lowers the barrier for entry, allowing any individual with network connectivity to attempt exploitation without needing social engineering or local access privileges.
The technical nature of this vulnerability aligns closely with CWE-287, which describes Improper Authentication, and potentially CWE-306, Missing Authentication for Critical Function. The core issue lies in the application's failure to enforce strict identity verification before processing sensitive requests related to data management operations. By bypassing these security controls, an attacker gains a level of access that should be restricted exclusively to authorized administrators or users with specific roles. This misconfiguration effectively turns critical administrative functions into publicly accessible endpoints, undermining the fundamental principle of least privilege and allowing for unauthorized manipulation of system states and stored information.
The operational impact of this vulnerability is severe, as indicated by its CVSS 3.1 Base Score of 9.1, which classifies it as Critical. The primary consequences involve a high impact on both Confidentiality and Integrity, while Availability remains largely unaffected in the immediate scope of exploitation. Successful attacks enable unauthorized creation, deletion, or modification of critical data within Oracle Hyperion Financial Management. This capability allows attackers to alter financial records, inject fraudulent transactions, or destroy essential datasets that are vital for organizational reporting and decision-making processes. Furthermore, the vulnerability grants complete access to all accessible data within the system, leading to a total breach of confidentiality where sensitive financial information can be exfiltrated without detection.
From an offensive security perspective, this vulnerability maps directly to MITRE ATT&CK techniques such as T1078 Valid Accounts if credentials were somehow obtained later, but more accurately reflects initial access vectors like T1190 Exploit Public-Facing Application or potentially privilege escalation paths depending on the specific internal mechanics. The ability to modify data corresponds to tactics involving Impact and Persistence, allowing adversaries to maintain control over financial systems for long-term espionage or sabotage. Organizations relying on this platform face significant regulatory compliance risks due to the potential exposure of sensitive financial data, which may violate standards such as SOX, GDPR, or PCI-DSS depending on the nature of the stored information.
Mitigation strategies must prioritize immediate patching and access control hardening. Oracle should be consulted for the latest security patches that address this specific flaw in version 11.2.26.0.000. In the interim, network segmentation is critical; administrators should restrict TCP port access to only trusted internal subnets or VPN endpoints, effectively blocking direct internet-facing exposure of the Hyperion Financial Management service. Additionally, implementing Web Application Firewalls with rules designed to detect anomalous request patterns can provide a layer of defense against exploitation attempts while patches are being deployed. Regular audits of user permissions and enforcement of strict role-based access control will also help minimize the blast radius should any residual vulnerabilities exist within related modules.