Description

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 unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Financial Reporting. Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Financial Reporting. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.1",
  "pubDate": "2026-08-18T21:17:27.680Z",
  "pubdate": "2026-08-18T21:17:27.680Z",
  "executiveSummary": "An unauthenticated, network-accessible vulnerability exists within the Server component of Oracle Hyperion Financial Reporting version 11.2.25.0.000. This vulnerability is categorized as difficult to exploit due to specific preconditions or complexity required during the attack lifecycle, yet it permits remote attackers leveraging HTTP protocol interactions to achieve complete system compromise without prior authentication.\nSuccessful exploitation of this flaw directly impacts the confidentiality, integrity, and availability of the target application. An adversary who successfully executes an attack can achieve a full takeover of the Oracle Hyperion Financial Reporting instance, potentially granting them administrative control over sensitive financial data processing environments.\nThe risk implications are severe given the core financial function of the affected system, potentially exposing critical organizational data and disrupting enterprise operations. Threat actors require network connectivity to the vulnerable endpoint via HTTP but do not need user interaction, valid credentials, or prior privileges within the affected environment.\nMitigation requires careful application of vendor-supplied patches or updates corresponding to the affected version 11.2.25.0.000 to eliminate the underlying flaw within the Server component.",
  "technicalDetails": "The vulnerability resides within the Server component of Oracle Hyperion Financial Reporting, specifically affecting version 11.2.25.0.000. The application exposes network services accessible via the HTTP protocol, which processes incoming requests from remote clients.\nThe attack vector is network-based (AV:N), indicating that the vulnerability can be exploited across a network without requiring physical or local access to the underlying host. Although the attack complexity is rated as high (AC:H), implying that successful exploitation may depend on specific environmental conditions, race conditions, precise timing, or specialized configurations, the attack requires zero privileges (PR:N) and no user interaction (UI:N).\nThe step-by-step attack flow involves an unauthenticated remote attacker crafting a malicious HTTP request directed at the vulnerable Oracle Hyperion Financial Reporting Server endpoint. Due to insufficient input validation, improper access control enforcement, or flawed processing logic within the targeted component, the crafted payload interacts with internal server operations.\nUpon successful processing of the malicious input, the attacker bypasses existing security controls and achieves unauthorized execution of arbitrary code or commands with the privileges of the running application service. This results in the complete takeover of the Oracle Hyperion Financial Reporting application.\nThe post-exploitation impact spans the complete security triad (C:H, I:H, A:H). An attacker gaining control over the server can access, exfiltrate, or modify sensitive financial reports, manipulate application logic and database states, or cause denial of service by terminating or destabilizing the server component."
}