CVE-2026-70883 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 creation, deletion or modification access to critical data or all Oracle Hyperion Data Relationship Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Data Relationship Management accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Access and security component of Oracle Hyperion Data Relationship Management, specifically affecting version 11.2.25.0.000. This flaw represents a critical failure in the application's authentication mechanisms, allowing unauthenticated actors to bypass access controls entirely. The attack vector is network-based via HTTP, meaning that any entity with connectivity to the vulnerable service can attempt exploitation without requiring prior credentials or user interaction. The severity of this issue is underscored by its CVSS 3.1 base score of 9.1, which classifies it as critical due to high impacts on both confidentiality and integrity while maintaining a low attack complexity and no requirement for privileges or user interface involvement.
From a technical perspective, the vulnerability likely stems from improper validation of access requests at the application layer, permitting direct manipulation of data structures without verifying the identity of the requester. This architectural weakness enables an attacker to perform unauthorized creation, deletion, or modification operations on critical business data managed by the system. Furthermore, it grants complete read access to all accessible information within the Oracle Hyperion Data Relationship Management environment. Such unrestricted access effectively neutralizes the security boundary intended to protect sensitive financial and operational datasets from external threats.
The operational impact of this vulnerability is severe for organizations relying on Oracle Hyperion for data relationship management. Unauthorized modification or deletion of critical data can lead to significant integrity issues, potentially corrupting financial reports, strategic plans, or other high-value assets stored within the platform. Simultaneously, unauthorized access compromises confidentiality, exposing proprietary information to competitors or malicious actors. This dual impact on both integrity and confidentiality aligns with common vulnerability classifications such as CWE-287 Improper Authentication and CWE-352 Cross-Site Request Forgery if the exploitation involves crafted requests, though the primary issue is the lack of authentication enforcement. In terms of adversary tactics, this scenario maps to ATT&CK technique T1078 Valid Accounts or more accurately T1098 Account Manipulation if privileges are escalated, but fundamentally it represents a direct unauthorized access pattern often associated with initial exploitation phases in cyber attacks.
Mitigation strategies must prioritize immediate patching and network-level controls. Oracle should be consulted for the latest security patches that address this specific flaw in version 11.2.25.0.000 or later versions where the issue has been resolved. In the interim, organizations should implement strict firewall rules to restrict HTTP access to only trusted IP addresses if possible, although complete isolation is preferred given the unauthenticated nature of the exploit. Additionally, deploying Web Application Firewalls with robust rule sets can help detect and block anomalous requests that attempt to interact with unprotected endpoints. Regular security audits and penetration testing are recommended to identify similar authentication bypasses in other components of the Oracle Hyperion suite before they can be exploited by malicious actors seeking to compromise organizational data integrity and confidentiality.