CVE-2026-70890 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).
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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 authentication mechanisms that allows unauthenticated actors to bypass access controls entirely. The attack vector is network-based via HTTP, meaning an attacker does not require physical proximity or local system access but can exploit the vulnerability remotely over standard web protocols. The ease of exploitation indicates that the security logic contains significant oversights, likely involving improper validation of session tokens, missing authentication checks on specific API endpoints, or flawed configuration defaults that expose sensitive administrative functions to public networks without requiring valid credentials.
From a technical perspective, this flaw aligns with CWE-287, which describes Improper Authentication, and potentially CWE-306, the Missing Authentication for Critical Function. The absence of required authentication checks allows an attacker to interact directly with internal application logic that should be restricted to authorized users only. Because the vulnerability is accessible via HTTP rather than HTTPS in some contexts or relies on weak session management over encrypted channels, it further exacerbates the risk by potentially allowing interception or replay attacks if additional cryptographic protections are not strictly enforced at every step of the interaction. The architecture of Oracle Hyperion Data Relationship Management involves complex data relationships and financial reporting structures; therefore, bypassing authentication grants direct entry into a system designed to handle sensitive corporate financial intelligence.
The operational impact of this vulnerability is severe due to its high confidentiality rating in the CVSS 3.1 scoring model, which assigns a base score of 7.5. Successful exploitation results in unauthorized access to critical data and potentially complete access to all accessible data within the Oracle Hyperion environment. This level of compromise enables an attacker to exfiltrate sensitive financial records, strategic business plans, employee information, or proprietary algorithms without detection by standard security monitoring tools that rely on authentication logs for threat identification. The lack of integrity or availability impacts in this specific vector suggests the primary risk is data theft rather than service disruption, although stolen credentials could later be used for further lateral movement within an enterprise network.
In terms of industry frameworks, this vulnerability maps to MITRE ATT&CK technique T1078, Valid Accounts, specifically when considering how unauthenticated access effectively grants valid user privileges without proper verification. It also relates to T1539, Steal Web Session Cookie, if the flaw involves session hijacking or improper cookie handling during authentication bypasses. The scenario represents a classic case of broken object level authorization where the application fails to verify that the requesting entity is authorized to access specific resources, leading to mass data exposure across the entire dataset accessible by the compromised instance.
Mitigation strategies must prioritize immediate network-level isolation and patching. Organizations running version 11.2.25.0.000 should apply the latest security patches provided by Oracle as soon as they are available through official support channels. Until patches can be deployed, it is critical to restrict access to the affected service using firewall rules that limit HTTP traffic to trusted IP addresses only, effectively removing the network-based attack vector from untrusted networks such as the public internet. Additionally, implementing a Web Application Firewall with strict rule sets for authentication endpoints and monitoring logs for unusual patterns of unauthenticated requests can provide an additional layer of defense. Regular audits of access control lists and ensuring that all administrative interfaces are not exposed to external networks are essential steps in reducing the attack surface associated with this vulnerability.