CVE-2026-87181 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 attack vector that requires only low-privileged access over HTTP, allowing adversaries with basic network connectivity to execute malicious actions against the application infrastructure. The presence of this weakness indicates a fundamental failure in how the system handles authentication or authorization checks for incoming requests, enabling unauthorized entities to bypass intended security controls and gain elevated privileges within the environment.
From a technical perspective, the flaw allows an attacker with low-level credentials who has network access via HTTP to compromise the Oracle Hyperion Financial Management application. The ease of exploitation suggests that the vulnerability does not require complex preconditions or user interaction, as indicated by the absence of required user interface interactions in the CVSS vector. This characteristic significantly lowers the barrier for entry, allowing automated tools and less sophisticated attackers to leverage this weakness effectively. The attack likely involves manipulating HTTP requests to exploit improper validation logic within the security module, leading to a complete takeover of the application instance rather than limited data access or denial of service alone.
The operational impact of successfully exploiting this vulnerability is severe, resulting in full control over Oracle Hyperion Financial Management. With an attacker achieving system-level compromise, they can alter financial records, exfiltrate sensitive corporate data, and disrupt critical business operations that rely on accurate financial reporting. The high severity score reflects the comprehensive nature of the breach, affecting confidentiality by exposing proprietary financial information, integrity by allowing unauthorized modifications to transactional data, and availability by potentially rendering the system unusable for legitimate users. This level of compromise can lead to significant regulatory penalties, reputational damage, and substantial financial losses due to fraud or operational downtime.
In terms of industry classification standards, this vulnerability aligns with Common Weakness Enumeration categories such as CWE-287 Improper Authentication or CWE-269 Improvement Authorization, depending on the specific mechanism exploited within the security component. The attack pattern corresponds to MITRE ATT&CK techniques involving Initial Access through valid accounts and Privilege Escalation if the low privilege account is used to gain higher-level control. Understanding these mappings helps in categorizing the risk appropriately within enterprise vulnerability management programs and ensures that remediation efforts address both the immediate technical flaw and the broader security posture implications associated with financial software exposure.
Mitigation strategies must prioritize immediate patching of Oracle Hyperion Financial Management to version 11.2.26.0.001 or later, where this specific security defect has been resolved by the vendor. In environments where patching is not immediately feasible, organizations should implement strict network segmentation to restrict HTTP access to only trusted internal subnets and enforce strong multi-factor authentication for all user accounts. Additionally, deploying web application firewalls with rules specifically tuned to detect exploitation attempts against Hyperion endpoints can provide a layer of defense-in-depth. Regular security audits and penetration testing focused on the financial management suite are recommended to identify any residual risks or similar weaknesses in related components before they can be leveraged by malicious actors seeking to compromise critical financial infrastructure.