CVE-2026-71118 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Hyperion Financial Management accessible data as well as unauthorized read access to a subset of Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 08/20/2026
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 security deficiency that permits unauthenticated attackers to compromise the integrity and confidentiality of the application's data stores. The vulnerability is characterized by its network-based attack vector, allowing exploitation over HTTP without requiring user interaction or prior authentication credentials. While the complexity of exploiting this specific weakness is rated as high, which may deter opportunistic attacks from less sophisticated threat actors, it remains a significant risk for targeted adversaries capable of crafting precise exploit payloads.
From a technical perspective, the core issue involves an improper access control mechanism within the HTTP handling subsystems of Oracle Hyperion Financial Management. The flaw allows an attacker to bypass standard authentication checks when interacting with specific endpoints or API functions that manage data persistence operations. This architectural weakness enables unauthorized modification of database records through insert, update, and delete commands, as well as unauthorized retrieval of sensitive information via read operations. The lack of proper validation on incoming requests means that malicious actors can manipulate the state of financial records or exfiltrate confidential business intelligence without triggering standard security alerts associated with brute-force login attempts or credential theft.
The operational impact of this vulnerability is substantial due to the nature of Oracle Hyperion Financial Management as a core enterprise resource planning and financial reporting tool. Unauthorized access to update, insert, or delete data directly threatens the integrity of financial statements, budget forecasts, and audit trails. An attacker could alter transaction records, inject fraudulent entries, or remove critical historical data, leading to severe inaccuracies in financial reporting and potential regulatory non-compliance. Furthermore, unauthorized read access exposes sensitive proprietary information, including revenue figures, cost structures, and strategic plans, which could be leveraged for competitive intelligence gathering or further social engineering attacks against the organization's personnel.
In terms of industry standard classifications, this vulnerability aligns with CWE-287, Improper Authentication, as it allows unauthenticated access to protected resources. It also maps closely to CWE-601, URL Redirection to Untrusted Site, if the exploitation involves redirecting users or requests to malicious endpoints, though primarily it reflects CWE-922, Insecure Storage of Sensitive Information, due to the unauthorized read capability and CWE-798, Use of Hard-coded Credentials, if static credentials are bypassed. From a tactical standpoint within the MITRE ATT&CK framework, this vulnerability facilitates Initial Access through network-based exploitation and enables Data Exfiltration via API endpoints or database queries. The ability to modify data also corresponds to Defense Evasion techniques where attackers might alter logs or records to hide their presence after compromising the system.
Mitigation strategies must prioritize immediate patching of Oracle Hyperion Financial Management to the latest available version that addresses this specific security flaw, as vendor-provided patches are typically designed to correct access control logic and input validation routines. In environments where immediate patching is not feasible due to operational constraints, network segmentation should be implemented to restrict HTTP access to the vulnerable components from untrusted networks or the public internet. Additionally, deploying a Web Application Firewall can help by filtering out malformed requests that attempt to exploit this vulnerability before they reach the application server. Security teams should also enforce strict logging and monitoring of all data modification events within Hyperion Financial Management to detect any unauthorized changes in real-time, ensuring rapid incident response capabilities are activated if exploitation is suspected.