CVE-2026-87140 in Hyperion Data Relationship Management
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Hyperion Data Relationship Management product of Oracle Hyperion (component: Access and security). The supported version that is affected is 11.2.26.0.000. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Hyperion Data Relationship Management. Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Data Relationship Management. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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 Access and security component of Oracle Hyperion Data Relationship Management, specifically affecting version 11.2.26.0.000. This flaw represents a critical weakness in how the application handles authentication and authorization mechanisms over HTTP connections. Although the exploit complexity is rated as high, indicating that specific conditions or precise timing may be required to successfully leverage the issue, the low privilege requirement for an attacker makes it particularly dangerous in environments where users have standard access rights. The vulnerability allows an unauthenticated or low-privileged remote attacker with network access via HTTP to compromise the integrity of the system. This is not merely a theoretical risk but a practical threat that can lead to complete control over the Oracle Hyperion Data Relationship Management environment, impacting confidentiality, integrity, and availability as reflected in its CVSS 3.1 base score of 7.5.
From a technical perspective, this vulnerability likely stems from improper validation or enforcement of security controls within the HTTP request processing pipeline. The high attack complexity suggests that while an attacker does not need elevated privileges to initiate the exploit, they must possess sophisticated knowledge of the application's internal state or be able to manipulate specific parameters in a precise manner to bypass existing safeguards. This could involve manipulating session tokens, exploiting race conditions in access control checks, or leveraging logic flaws in how user roles are validated during data relationship operations. The fact that it affects confidentiality, integrity, and availability indicates that successful exploitation can lead to unauthorized data disclosure, modification of critical financial relationships stored within the system, and potentially denial of service through resource exhaustion or application instability caused by malicious inputs.
The operational impact of this vulnerability is severe for organizations relying on Oracle Hyperion Data Relationship Management for enterprise performance management and financial planning. A takeover of the application allows an attacker to view sensitive financial data, alter critical business rules and relationships, and disrupt ongoing reporting processes. This directly impacts the trustworthiness of financial statements and strategic decisions derived from the platform. In a corporate environment where this software is integrated with other ERP systems, such as Oracle E-Business Suite or SAP, the compromise could serve as an entry point for lateral movement into broader network infrastructure. The ability to modify data integrity means that fraudulent transactions or manipulated forecasts could be introduced without detection, leading to significant financial and reputational damage.
This vulnerability aligns with CWE-287 Improper Authentication and CWE-269 Improper Privilege Management within the Common Weakness Enumeration framework. It also maps to ATT&CK techniques related to Initial Access via Valid Accounts or Exploitation for Credential Access, depending on whether the low privilege requirement implies existing valid credentials are needed or if it refers to unauthenticated access that escalates privileges. The network-based nature of the attack vector means it can be exploited remotely without physical proximity or user interaction, classifying it under remote code execution patterns where the attacker gains control over the application logic rather than just executing arbitrary system commands.
Mitigation strategies must focus on immediate isolation and patching. Organizations should apply the latest security patches provided by Oracle for version 11.2.26.0.000 as soon as they are available, ensuring that all components of the Hyperion suite are updated to address known flaws in the access control subsystem. In the interim, network segmentation is critical; administrators should restrict HTTP and HTTPS access to the application server from untrusted networks or public internet zones using firewalls and web application firewalls configured with strict rulesets. Implementing multi-factor authentication for all administrative accounts can mitigate the risk of credential-based exploitation even if a vulnerability exists. Additionally, monitoring logs for unusual patterns in HTTP requests, such as repeated failed authentications or anomalous data modification attempts, will aid in early detection of attempted exploits. Regular security assessments and penetration testing focused on access control mechanisms are recommended to identify similar weaknesses before they can be leveraged by malicious actors.