CVE-2026-87232 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 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 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 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/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 undermines the integrity and confidentiality guarantees expected from enterprise financial management systems. The core issue stems from insufficient access controls or authentication mechanisms within the underlying communication protocols or hardware interface layers, allowing for unauthorized interaction with sensitive system functions without requiring valid user credentials.
The technical nature of this vulnerability is characterized by its exploitability requirements, which are notably low due to the absence of any need for prior authentication. An attacker does not require a legitimate account on the Oracle Hyperion Financial Management instance nor do they need social engineering tactics such as phishing or credential theft. Instead, exploitation relies solely on network proximity. Specifically, an unauthenticated actor must have physical access to the communication segment attached to the hardware where the application executes. This implies that if an attacker can physically connect a device to the same local area network switch, VLAN, or direct connection point as the server hosting Oracle Hyperion Financial Management, they can initiate attacks against the system's security controls.
From a classification perspective, this vulnerability aligns with CWE-287, which describes Improper Authentication, and potentially CWE-306, Missing Authentication for Critical Function, depending on whether the flaw is in the initial handshake or subsequent command execution. In terms of offensive cyber operations mapping, this scenario corresponds to ATT&CK technique T1046, Network Service Discovery, followed by T1190, Exploit Public-Facing Application, assuming the attacker leverages known vulnerabilities within the exposed services on that network segment. The requirement for physical access to the communication segment places it in a hybrid category of remote and local exploitation, often referred to as adjacent network attack vectors.
The operational impact of successfully exploiting this vulnerability is severe and multifaceted. As indicated by the CVSS 3.1 Base Score of 8.1, which denotes High severity, the primary impacts are on Confidentiality and Integrity, with Availability remaining unaffected in the base score calculation but potentially impacted as a secondary consequence. Successful exploitation grants an attacker unauthorized creation, deletion, or modification access to critical data within the financial management system. This means that sensitive financial records, audit trails, budgeting models, and reporting structures can be altered maliciously or destroyed entirely. Furthermore, it allows for complete unauthorized access to all Oracle Hyperion Financial Management accessible data, leading to potential exposure of proprietary financial strategies, employee salaries, vendor contracts, and other highly confidential information.
The business implications are substantial given the nature of Oracle Hyperion Financial Management as a tool used by large enterprises for critical financial planning, analysis, and reporting. Compromise of this system can lead to significant regulatory non-compliance with standards such as SOX (Sarbanes-Oxley Act), GDPR, or HIPAA if personal data is involved. It also poses a severe risk to organizational reputation and trust among stakeholders who rely on the accuracy and security of financial reports. Attackers could manipulate financial statements for fraudulent purposes, steal intellectual property related to corporate strategy, or use the compromised system as a pivot point to attack other systems within the internal network if lateral movement is possible from that segment.
Mitigation strategies must address both immediate technical controls and long-term architectural improvements. Immediately, organizations should restrict physical access to server rooms and network closets where Oracle Hyperion Financial Management hosts reside, ensuring that only authorized personnel can connect devices to the relevant communication segments. Network segmentation is critical; the servers hosting this application should be placed in isolated VLANs with strict firewall rules that limit inbound traffic to specific management IPs or jump boxes rather than open access from general user networks. Implementing strong authentication mechanisms such as multi-factor authentication for any administrative interfaces and ensuring that all default credentials are changed are essential steps.
Additionally, regular security patching is vital. Oracle frequently releases Critical Patch Updates (CPUs) that address known vulnerabilities in Hyperion components. Administrators must ensure that version 11.2.26.0.000 or any affected versions are updated to the latest recommended release containing fixes for this specific flaw. Deploying Intrusion Detection and Prevention Systems (IDPS) at network boundaries can help detect anomalous traffic patterns indicative of exploitation attempts, such as unusual authentication failures or unexpected data exfiltration flows. Finally, conducting regular vulnerability assessments and penetration tests focused on physical security controls and adjacent network access will help identify gaps before they are exploited by malicious actors seeking to compromise critical financial infrastructure.