CVE-2026-70758 in Hyperion Financial Reporting
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Financial Reporting product of Oracle Hyperion (component: Server). The supported version that is affected is 11.2.25.0.000. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Hyperion Financial Reporting executes to compromise Oracle Hyperion Financial Reporting. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hyperion Financial Reporting accessible data as well as unauthorized read access to a subset of Oracle Hyperion Financial Reporting accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the server component of Oracle Hyperion Financial Reporting, specifically affecting version 11.2.25.0.000 and potentially other supported releases in that lineage. This flaw represents a significant security risk for organizations relying on this enterprise performance management platform to handle sensitive financial data. The core issue stems from an insufficient access control mechanism or improper authorization check within the application server logic, which allows authenticated users with low privileges to execute actions beyond their intended scope. Unlike vulnerabilities requiring high-level administrative rights or complex exploitation chains involving multiple components, this flaw can be triggered by a user who has basic logon credentials to the infrastructure hosting Oracle Hyperion Financial Reporting. The difficulty of exploitation is rated as difficult, indicating that while an attacker must possess valid low-privilege accounts and navigate specific conditions within the application environment, the attack vector does not require remote code execution or complex social engineering tactics beyond initial authentication.
From a technical perspective, this vulnerability aligns with CWE-269, Improper Privilege Management, where the system fails to enforce appropriate separation of duties between different user roles. The attacker leverages their existing low-level access to manipulate internal state variables or API endpoints that are not properly validated against role-based permissions. This misconfiguration allows the adversary to bypass standard security controls designed to restrict data manipulation capabilities to authorized personnel only. Because Oracle Hyperion Financial Reporting is often integrated with broader enterprise resource planning and financial systems, compromising its integrity can have cascading effects on downstream reporting accuracy and decision-making processes. The vulnerability does not appear to impact availability directly, as indicated by the absence of Availability impacts in the CVSS vector, but it severely compromises confidentiality and integrity, which are critical for financial compliance and operational trust.
The operational impact of a successful exploitation is substantial due to the nature of the data handled by Hyperion Financial Reporting. An attacker with low privileges can achieve unauthorized creation, deletion, or modification of critical financial records. This capability undermines the integrity of financial statements, potentially leading to inaccurate reporting that could violate regulatory standards such as SOX (Sarbanes-Oxley Act) if used for public company disclosures. Furthermore, the vulnerability permits unauthorized read access to a subset of accessible data, which constitutes a breach of confidentiality. Sensitive information regarding revenue streams, cost centers, or strategic financial plans could be exfiltrated by an insider threat or an external actor who has compromised low-level employee accounts. The ability to modify critical data also opens avenues for fraud, where malicious actors might alter transaction records to conceal theft or manipulate performance metrics for personal gain.
In terms of industry standard mapping, this vulnerability exhibits characteristics consistent with MITRE ATT&CK techniques related to privilege escalation and unauthorized access. Specifically, it relates to T1078 Valid Accounts, as the attacker utilizes legitimate credentials obtained through phishing, credential stuffing, or insider threats. The subsequent actions fall under T1496 Remote File Transfer if data exfiltration occurs, or more broadly within the persistence and impact tactics depending on whether the modifications are intended for long-term control or immediate financial distortion. The CVSS 3.1 base score of 5.3 reflects a medium severity rating, driven primarily by the high integrity impact (I:H) despite low confidentiality impact (C:L) and no availability impact (A:N). The vector AV:L indicates local network access is required, AC:H denotes high complexity in exploitation conditions such as specific timing or state requirements, PR:L confirms that low privileges are sufficient for attack success, UI:N means user interaction is not needed once the account is compromised, and S:U signifies no scope change.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Oracle should be consulted to apply any available patches or configuration updates that address this specific authorization flaw in version 11.2.25.0.000. Organizations running this software must immediately audit user permissions, ensuring the principle of least privilege is strictly enforced across all Hyperion Financial Reporting instances. Access controls should be reviewed to ensure that low-privilege users cannot interact with administrative functions or sensitive data endpoints. Implementing robust logging and monitoring solutions can help detect anomalous activities indicative of exploitation attempts, such as unusual patterns in report generation or unexpected modifications to financial records. Additionally, network segmentation strategies should be employed to limit the attack surface, ensuring that even if an attacker gains low-level access, they are restricted from reaching critical backend components without further authentication steps. Regular vulnerability assessments and penetration testing focused on role-based access controls will help identify similar weaknesses before they can be exploited in a production environment.