CVE-2026-70889 in Hyperion Data Relationship Management
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Data Relationship Management product of Oracle Hyperion (component: Access and security). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Data Relationship Management. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Data Relationship Management accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The Oracle Hyperion Data Relationship Management product, specifically version 11.2.25.0.000 within the Access and security component, contains a critical vulnerability that permits unauthenticated attackers to compromise system integrity through network-based exploitation vectors accessible via HTTP. This flaw represents a significant failure in access control mechanisms, allowing individuals without valid credentials or authentication tokens to bypass standard security gates and interact with sensitive application functions. The presence of this weakness indicates that the software fails to properly verify user identity before granting access to protected resources, creating an open pathway for malicious actors operating over local area networks or the internet who possess network connectivity to the target system.
From a technical perspective, the vulnerability is characterized by its ease of exploitation and lack of prerequisite conditions such as user interaction or prior authentication. This aligns with common weaknesses found in web application security where input validation and session management are inadequately implemented. The absence of required privileges for an attacker means that any entity capable of sending HTTP requests to the affected service can potentially trigger the flaw. Such scenarios often involve manipulating request parameters, headers, or URLs to exploit logic errors or missing checks within the server-side processing routines responsible for handling access control decisions.
The operational impact of this vulnerability is severe due to its direct effect on data confidentiality and system accessibility. Successful exploitation enables unauthorized access to critical business data stored within the Oracle Hyperion Data Relationship Management environment. This can lead to the exfiltration of sensitive financial information, strategic planning documents, or other proprietary datasets that are central to organizational operations. In worst-case scenarios, an attacker may achieve complete access to all accessible data within the application, effectively neutralizing the confidentiality guarantees provided by the system and potentially leading to significant regulatory compliance violations under frameworks such as GDPR, HIPAA, or SOX depending on the nature of the exposed information.
This vulnerability is best classified under CWE-287 Improper Authentication, which describes situations where an actor is able to impersonate another user or bypass authentication mechanisms entirely. Additionally, it maps closely to MITRE ATT&CK technique T1078 Valid Accounts if the attacker leverages stolen credentials obtained through other means, but in this specific context of unauthenticated access, it reflects a fundamental breakdown in identity verification processes that allows direct unauthorized entry into the application layer. The CVSS 3.1 base score of 7.5 highlights high severity primarily driven by confidentiality impacts, indicating that while integrity and availability may remain intact initially, the loss of data secrecy poses substantial risk to organizational security posture.
Mitigation strategies should prioritize immediate patching to the latest supported version released by Oracle which addresses this specific access control flaw. In environments where patching cannot be applied immediately due to operational constraints, network-level controls such as firewall rules restricting HTTP traffic from untrusted networks or implementing Web Application Firewalls with strict rule sets can help mitigate exposure. Additionally, enabling comprehensive logging and monitoring for anomalous authentication attempts or unusual data retrieval patterns can aid in early detection of exploitation activities. Regular security assessments and penetration testing focused on access control logic are recommended to identify similar weaknesses across the application suite before they can be leveraged by adversaries seeking unauthorized data access.