CVE-2026-70891 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 allows for unauthorized access to sensitive organizational data. This flaw is classified as an easily exploitable issue because it requires no authentication from the attacker and can be leveraged by any individual with network connectivity via HTTP. The severity of this vulnerability is underscored by its CVSS 3.1 Base Score of 7.5, which indicates a high level of risk primarily driven by significant impacts on confidentiality. The specific vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) confirms that while the attack is network-based and requires low complexity without user interaction or privilege requirements, it does not currently impact integrity or availability but poses a severe threat to data privacy.
From a technical perspective, this vulnerability represents a failure in proper access control mechanisms within the application layer of Oracle Hyperion Data Relationship Management. The absence of adequate authentication checks for certain HTTP requests allows unauthenticated actors to bypass security boundaries and interact with protected resources directly. This type of flaw is commonly associated with CWE-287 Improper Authentication or CWE-306 Missing Authentication for Critical Function, depending on the specific implementation details of how the access control logic was designed and executed within the software architecture. The vulnerability enables an attacker to traverse into areas of the system that should be restricted to authorized personnel only, effectively neutralizing the intended security controls provided by the product's design.
The operational impact of this vulnerability is substantial for any organization relying on Oracle Hyperion Data Relationship Management for financial consolidation and performance management. Successful exploitation results in unauthorized access to critical data, which may include sensitive financial reports, strategic planning models, or proprietary business metrics. In worst-case scenarios, an attacker could achieve complete access to all accessible data within the environment. This level of compromise can lead to significant regulatory violations under frameworks such as GDPR, HIPAA, or SOX, depending on the nature of the exposed information. Furthermore, the exposure of such critical data can result in severe reputational damage, loss of competitive advantage, and potential financial penalties associated with data breaches.
To mitigate this risk, organizations must immediately apply the latest security patches provided by Oracle for version 11.2.25.0.000 or upgrade to a newer supported release where these access control flaws have been remediated. In addition to patching, it is advisable to implement network-level controls such as firewalls and web application firewalls that restrict HTTP traffic from untrusted sources to the Oracle Hyperion servers. Restricting direct internet exposure of management interfaces and ensuring that all administrative functions require multi-factor authentication can further reduce the attack surface. Security teams should also conduct regular vulnerability assessments and penetration tests focused on access control mechanisms to identify similar weaknesses in other enterprise applications before they can be exploited by malicious actors aligned with tactics such as ATT&CK technique T1078 Valid Accounts or T1528 Steal Application Access Token if applicable, though this specific flaw relies more on missing authentication than token theft.