CVE-2026-87174 in Hyperion Financial Management
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.26.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Financial Management accessible data as well as unauthorized update, insert or delete access to some of Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Security component of Oracle Hyperion Financial Management, specifically affecting version 11.2.26.0.000 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 environment. The attack vector is network-based via TCP, meaning an adversary does not require physical access or prior authentication credentials to initiate exploitation. Instead, the vulnerability can be triggered remotely over standard network connections, significantly lowering the barrier for entry compared to vulnerabilities requiring local access or user interaction. This characteristic aligns with common patterns found in web application frameworks where input validation and session management mechanisms are insufficiently hardened against malicious payloads sent from external sources.
From a technical perspective, the flaw allows an attacker who has network access but no valid credentials to bypass authentication controls entirely. The absence of required privilege requirements indicates that the underlying code fails to properly verify user identity before processing requests or exposing sensitive data structures. This lack of proper authorization checks enables the execution of unauthorized operations against critical data stores managed by Oracle Hyperion Financial Management. Such a scenario is consistent with CWE-287, which describes Improper Authentication, and often overlaps with CWE-306, Missing Authentication for Critical Function. The vulnerability likely stems from inadequate validation of incoming network packets or session tokens, allowing malicious actors to inject commands or access protected endpoints that should be restricted to authenticated administrators or users with specific roles.
The operational impact of this vulnerability is severe due to the high level of trust Oracle Hyperion Financial Management places in its data integrity and confidentiality mechanisms. Successful exploitation results in unauthorized access to critical financial data, which may include sensitive accounting records, budget forecasts, and audit trails essential for regulatory compliance such as SOX or IFRS standards. Furthermore, the vulnerability grants unauthorized update, insert, or delete capabilities over accessible data sets. This means an attacker can not only read confidential information but also alter it, potentially manipulating financial reports to conceal fraud, misrepresent organizational performance, or corrupt historical records. The integrity impact is particularly dangerous in enterprise environments where automated reporting and decision-making rely on the accuracy of stored data. A compromised database could lead to significant financial loss, reputational damage, and legal liabilities for the organization relying on this platform.
In terms of industry classification frameworks, this vulnerability maps directly to MITRE ATT&CK technique T1078, Valid Accounts, although in this case it is exploited without valid accounts initially, effectively simulating authorized access through authentication bypass. It also relates to T1530, Data from Cloud Storage Objectives, if the underlying data is stored in accessible cloud buckets or file systems linked to the application. The CVSS 3.1 base score of 8.2 reflects a High severity rating, driven primarily by high confidentiality impact and low integrity impact with no availability impact. This scoring underscores that while system uptime may remain unaffected, the trustworthiness of the data is completely compromised. Organizations must treat this as a critical priority for remediation to prevent potential data breaches and unauthorized modifications to financial records.
Mitigation strategies should focus on immediate patching by Oracle if an official update or security patch is available for version 11.2.26.0.000. In the interim, network-level controls such as firewall rules restricting TCP access to only trusted IP addresses can reduce the attack surface. Additionally, implementing Web Application Firewalls with specific signatures for authentication bypass attempts may help detect and block exploitation activities. It is also crucial to review audit logs for any signs of unauthorized data access or modification that might indicate active exploitation. Long-term remediation involves enforcing strict input validation, implementing robust session management protocols, and ensuring that all security components are regularly updated according to vendor advisories. Regular penetration testing focused on authentication mechanisms can help identify similar weaknesses before they are exploited by malicious actors.