CVE-2026-71148 in Hyperion Financial Management
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: 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 Financial Management. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Security component of Oracle Hyperion Financial Management, specifically affecting version 11.2.25.0.000 and potentially other supported releases in that lineage. This flaw represents a critical weakness in the application's authentication and authorization mechanisms, allowing for unauthorized access to sensitive financial data without requiring valid credentials from an external attacker. The nature of this vulnerability is particularly concerning because it does not require user interaction or complex exploitation techniques, making it accessible to attackers with basic networking knowledge who can reach the target system over HTTP.
From a technical perspective, the core issue involves insufficient validation of access controls for specific endpoints within the Hyperion Financial Management application. While the product implements security measures to restrict data visibility based on user roles and permissions, there exists a logic flaw that bypasses these checks when requests are made via standard HTTP protocols. An unauthenticated attacker can craft specific network packets targeting vulnerable API calls or internal pages, effectively tricking the server into revealing information intended for authorized users only. This lack of proper access control enforcement means that sensitive financial records, such as budget details, actuals, and forecasting data, become exposed to anyone with network connectivity to the service.
The operational impact of this vulnerability is significant due to its direct effect on confidentiality within the organization's financial infrastructure. Successful exploitation results in unauthorized read access to a subset of Oracle Hyperion Financial Management accessible data. This exposure can lead to severe business consequences including competitive disadvantage, regulatory non-compliance, and potential fraud if attackers use the stolen information for social engineering or further attacks. The CVSS 3.1 base score of 5.3 reflects this medium-level severity, primarily driven by the high availability impact (network-accessible) and low complexity required to exploit it, despite the absence of integrity or availability impacts in the immediate scope.
In terms of industry standard classifications, this vulnerability aligns with CWE-287 Improper Authentication and CWE-862 Missing Authorization within the Common Weakness Enumeration framework. These categories highlight the failure to correctly verify user identity and enforce access policies respectively. Furthermore, from a tactical standpoint as defined by MITRE ATT&CK, this flaw facilitates initial reconnaissance or data exfiltration phases where adversaries gather intelligence without triggering typical intrusion detection alerts associated with brute-force attacks or credential stuffing. The attack vector is classified under Network Access (AV:N) with Low Complexity (AC:L), indicating that no specialized conditions are needed to exploit the bug once network proximity is established.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Oracle has likely released patches addressing this specific security flaw in subsequent updates of Hyperion Financial Management; therefore, applying the latest available patch level for version 11.2.x is the primary corrective action. Organizations should also ensure that their deployment configurations do not expose these services directly to untrusted networks via HTTP without additional protective layers. Implementing a Web Application Firewall (WAF) can provide an extra layer of defense by filtering malicious requests before they reach the application server, particularly those attempting to exploit known patterns associated with unauthorized data access.
Additionally, security administrators should enforce strict network segmentation policies to limit exposure of financial management systems to only authorized subnets and user groups. Transitioning from HTTP to HTTPS is essential not only for encrypting data in transit but also for ensuring that any intermediate proxies or firewalls can properly inspect traffic if configured correctly with SSL termination points managed securely. Regular vulnerability scanning and penetration testing should be conducted to identify similar misconfigurations across the enterprise environment, ensuring that no other components suffer from analogous access control failures. Continuous monitoring of audit logs for unusual patterns of data retrieval by unauthenticated sessions will also aid in early detection of exploitation attempts.