CVE-2026-87215 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Hyperion Financial Management. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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, specifically affecting version 11.2.26.0.000 and potentially other supported releases in that lineage. This flaw represents a critical weakness in the application's handling of network-based inputs, allowing for exploitation by an unauthenticated attacker who possesses only basic network access via TCP protocols. The nature of this vulnerability is particularly concerning because it does not require user interaction or prior authentication credentials to be triggered. An adversary can initiate an attack simply by establishing a connection to the affected service and sending specially crafted packets that exploit the underlying logic error within the security processing module. This characteristic significantly lowers the barrier for entry, enabling remote attackers with minimal technical sophistication to target systems running this specific version of Oracle Hyperion Financial Management across enterprise networks where such services are exposed.
From a technical perspective, the core issue manifests as a denial-of-service condition rather than a breach of confidentiality or integrity. Successful exploitation allows an attacker to cause the application to hang or enter into a state requiring frequent and repeatable crashes. This behavior indicates that the vulnerability likely involves improper handling of resource allocation, memory management, or thread synchronization when processing maliciously formatted requests. The system fails to validate input boundaries or manage connection states correctly under specific attack conditions, leading to exhaustion of critical resources such as CPU cycles, memory buffers, or file descriptors. Consequently, the service becomes unresponsive to legitimate users and may require manual intervention or a full restart by system administrators to restore functionality. This aligns with common patterns seen in CWE-400 (Uncontrolled Resource Consumption) or CWE-20 (Improper Input Validation), where the application's defensive mechanisms are bypassed through malformed data that triggers internal errors leading to service termination.
The operational impact of this vulnerability is severe, primarily due to its direct effect on system availability. With a CVSS 3.1 Base Score of 7.5 and an Impact Subscore reflecting high severity in Availability, the risk profile emphasizes disruption over data theft or modification. For organizations relying on Oracle Hyperion Financial Management for critical financial reporting, budgeting, and planning activities, any downtime can result in significant operational delays, missed regulatory deadlines, and potential financial losses. The ability to cause a complete denial of service means that attackers could potentially use this flaw as part of a broader campaign to disrupt business continuity or as a distraction technique while other malicious activities are underway elsewhere on the network. Furthermore, because the attack is unauthenticated and requires only network access, it can be launched from any location within the same subnet or over the internet if the service port is exposed, increasing the surface area for potential attacks significantly.
In terms of threat classification, this vulnerability maps to ATT&CK technique T1499 (Endpoint Denial of Service), specifically under methods involving resource exhaustion. The lack of authentication requirements places it in a high-risk category similar to many remote code execution or service disruption flaws found in enterprise software suites from major vendors like Oracle. Security teams should treat this not merely as an availability issue but as a potential vector for more sophisticated attacks if the crash behavior can be leveraged to trigger secondary vulnerabilities, such as information disclosure through error messages or core dumps that might reveal internal system details. The simplicity of exploitation via TCP network access underscores the importance of strict input validation and robust exception handling within the security component of the application architecture.
To mitigate this risk, immediate action is required from both technical operations teams and management stakeholders. Oracle has likely released a patch for version 11.2.26.0.000 that addresses the underlying code flaw responsible for the resource exhaustion or crash condition. Organizations should prioritize applying these security updates as soon as they are verified in test environments to ensure stability before deployment to production systems. In addition to patching, network-level controls can provide temporary relief by restricting access to the Oracle Hyperion Financial Management service ports to only trusted IP addresses and subnets using firewall rules or Access Control Lists. Implementing rate limiting on incoming connections may also help mitigate the impact of automated scanning tools that might attempt to exploit this vulnerability at scale. Regular security assessments, including penetration testing focused on denial-of-service scenarios for critical enterprise applications, are recommended to identify similar weaknesses in other components before they can be exploited by malicious actors.