CVE-2026-87245 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 access to the physical communication segment attached to the hardware where the Oracle Hyperion Financial Management executes 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 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/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 weakness is characterized by its exploitability through physical access to the network segment where the application server operates. Unlike many remote code execution vulnerabilities that can be leveraged from anywhere on the internet or internal networks with valid credentials, this issue requires an attacker to have low privileges but direct connectivity to the hardware's communication interface. The presence of such a vulnerability in enterprise financial management software is particularly concerning given the sensitive nature of the data handled by these systems, which often includes proprietary financial reports, budgeting models, and regulatory compliance records that are subject to strict governance standards.
From a technical perspective, the flaw allows for an easy exploitation scenario where an attacker with low-level access can compromise the entire Oracle Hyperion Financial Management environment. The requirement of physical communication segment access suggests potential weaknesses in network segmentation or isolation mechanisms within the deployment architecture. An adversary positioned on this specific network segment could potentially intercept unencrypted traffic, exploit misconfigured authentication protocols, or leverage local privilege escalation techniques to gain unauthorized control over the application server. This level of compromise is significant because it bypasses traditional perimeter defenses that assume internal networks are trusted zones. The vulnerability aligns with CWE-250, which describes vulnerabilities where software performs operations without sufficient privileges, and potentially CWE-319 regarding cleartext transmission of sensitive information if the communication segment lacks encryption or integrity checks.
The operational impact of a successful exploitation is severe, resulting in a complete takeover of Oracle Hyperion Financial Management as indicated by the high CVSS base score of 8.0. This score reflects critical impacts on confidentiality, integrity, and availability. An attacker gaining control over this system could exfiltrate sensitive financial data, leading to significant regulatory penalties under frameworks such as GDPR or SOX if personal or corporate financial information is exposed. Furthermore, the ability to modify data introduces risks of financial fraud, where an adversary might alter transaction records, budgets, or forecasts to manipulate organizational decision-making processes. The availability impact implies that attackers could also disrupt business operations by rendering the system inaccessible, causing downtime and loss of productivity for finance departments relying on real-time reporting capabilities.
In terms of threat modeling, this vulnerability maps closely to MITRE ATT&CK techniques involving lateral movement and credential access within a local network environment. Attackers might utilize tools or scripts designed for sniffing credentials from unsecured segments or exploiting weak service accounts that have excessive permissions on the server hardware. The low attack complexity and lack of user interaction make it an attractive target for insider threats or physical intruders who can gain temporary access to data centers or office network closets where such servers are typically housed. This highlights a gap in defense-in-depth strategies, as many organizations focus heavily on external perimeter security while neglecting the internal segmentation required to protect high-value assets like financial management platforms.
Mitigation and remediation efforts must prioritize both immediate technical controls and long-term architectural improvements. Administrators should immediately implement strict network segmentation policies using VLANs or firewalls to isolate Oracle Hyperion Financial Management servers from general user networks, ensuring that only authorized administrative workstations can communicate with the application server. Enabling mutual TLS encryption for all internal communications is essential to prevent eavesdropping and man-in-the-middle attacks on this segment. Additionally, organizations should audit service account permissions within the operating system hosting Oracle Hyperion Financial Management, adhering to the principle of least privilege by removing unnecessary local administrator rights from standard user accounts that might interact with the server hardware. Regular vulnerability scanning focused on internal network segments can help detect unauthorized devices attempting to connect to these critical infrastructure zones.
Long-term resilience requires a review of the overall security architecture surrounding Oracle Hyperion deployments. Implementing intrusion detection systems specifically tuned for anomalies in financial application traffic patterns can provide early warning indicators of exploitation attempts. It is also advisable to conduct regular penetration tests that simulate physical access scenarios to identify similar weaknesses across other critical business applications. Updating to newer versions of Oracle Hyperion Financial Management, if available and compatible with existing integrations, may resolve underlying code-level flaws related to authentication handling or session management. Finally, enhancing employee awareness regarding physical security protocols ensures that unauthorized individuals cannot easily gain the initial foothold required to exploit this network-based vulnerability, thereby closing the loop between physical access controls and digital security measures.