CVE-2026-70899 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 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 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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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 weakness in the application's authentication or authorization mechanisms, allowing for unauthorized access to sensitive system resources. The nature of this defect suggests that the software fails to properly validate user credentials or session tokens before granting access to administrative functions or restricted data sets. Such failures are commonly associated with improper implementation of security controls during the request processing phase, where the server accepts input from unauthenticated or low-privileged users without sufficient verification steps. This type of architectural oversight is frequently categorized under CWE-287, which denotes Improper Authentication, and often overlaps with CWE-306 for Missing Authentication for Critical Function if specific administrative endpoints are exposed to lower privilege levels.
From an operational perspective, the vulnerability poses a severe risk due to its low complexity and network accessibility. An attacker requires only local privileges within the trusted network segment or basic user credentials on the platform to initiate exploitation via HTTP. The absence of required user interaction further lowers the barrier for entry, enabling automated attack tools to exploit the flaw without social engineering tactics. Once exploited, the impact is catastrophic as it leads to a complete takeover of the Oracle Hyperion Data Relationship Management environment. This level of compromise allows the attacker to execute arbitrary code with the privileges of the application process, potentially leading to full system control depending on how the service runs. The high severity score reflects significant impacts across confidentiality, integrity, and availability, meaning sensitive financial data can be exfiltrated, manipulated, or destroyed, disrupting critical business operations that rely on accurate data relationship modeling and reporting.
The exploitation path aligns with several tactics within the MITRE ATT&CK framework, particularly Initial Access techniques such as Valid Accounts if existing low-privilege credentials are used, or potentially Exploitation for Credential Access if the flaw allows credential harvesting. Following initial compromise, the attacker would likely engage in Lateral Movement to pivot through other connected systems and Privilege Escalation to gain higher-level administrative rights within both the application layer and the underlying operating system. The ability to take over the entire management console implies that an adversary could modify financial reports, alter data relationships, or inject malicious scripts into generated outputs, thereby compromising the integrity of enterprise decision-making processes. This scenario underscores the critical importance of securing high-value business intelligence platforms against network-based attacks originating from internal networks where trust boundaries may be loosely defined.
Mitigation strategies must focus on immediate remediation and long-term hardening. The primary action is to apply the latest security patches provided by Oracle for version 11.2.25.0.000, which should address the underlying code flaws in the access control logic. In environments where patching cannot be immediately implemented, network segmentation strategies should be employed to restrict HTTP access to the Hyperion server exclusively from trusted management subnets or through a secure VPN with multi-factor authentication. Additionally, implementing strict input validation and enforcing principle of least privilege for all application accounts can reduce the attack surface. Security teams should also monitor logs for anomalous login attempts or unusual administrative actions that may indicate exploitation activity. Regular vulnerability assessments and penetration testing focused on web application security controls are essential to identify similar misconfigurations before they can be leveraged by malicious actors, ensuring the continued integrity of financial data infrastructure.