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. Easily exploitable 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 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.8",
  "pubDate": "2026-08-18T21:17:27.337Z",
  "pubdate": "2026-08-18T21:17:27.337Z",
  "executiveSummary": "A critical security vulnerability has been identified within the Oracle Hyperion Financial Reporting product, specifically affecting the Server component in version 11.2.25.0.000. This vulnerability allows an unauthenticated remote attacker to leverage network access via the HTTP protocol to achieve a complete system compromise. The flaw is classified as easily exploitable, requiring no user interaction, low attack complexity, and zero prior privileges, thereby significantly lowering the barrier to entry for malicious actors.\nSuccessful exploitation of this flaw grants the adversary full control over the affected Oracle Hyperion Financial Reporting application, leading to a complete compromise of confidentiality, integrity, and availability. The CVSS 3.1 base score is recorded at the maximum severity rating of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Given the critical nature of financial reporting systems within enterprise environments, the realization of this risk can lead to unauthorized data exfiltration, malicious manipulation of sensitive financial data, and sustained denial of service conditions, posing severe operational and compliance repercussions for organizations failing to remediate the exposure.",
  "technicalDetails": "The vulnerability resides within the Server component of Oracle Hyperion Financial Reporting version 11.2.25.0.000. The architectural flaw permits unauthenticated remote code execution or unauthorized authorization bypass via standard HTTP network requests. Because the vulnerable endpoint fails to properly validate incoming HTTP payloads and lacks adequate session or credential validation routines, an external attacker can interact directly with the exposed web application interface without supplying valid authentication tokens.\nThe attack vector is entirely network-based (AV:N), meaning that any adversary with standard IP connectivity to the targeted HTTP service can initiate exploitation attempts. The attack complexity is evaluated as low (AC:L), indicating that the target lacks robust defensive mechanisms or race-condition dependencies that would otherwise hinder a reliable exploit. Furthermore, the vulnerability requires no privileges (PR:N) and no user interaction (UI:N), allowing automated scanning tools and worm-like payloads to interact directly with the vulnerable service.\nThe step-by-step attack flow begins with the malicious actor performing network reconnaissance to locate the exposed Oracle Hyperion Financial Reporting Server interface via HTTP. Upon identifying the vulnerable version 11.2.25.0.000, the attacker crafts a specialized HTTP request designed to exploit the underlying input validation or authorization flaw within the Server component. By transmitting this malicious payload to the application server, the attacker bypasses access controls and executes unauthorized operations.\nUpon successful execution of the payload, the attacker achieves complete system takeover. Post-exploitation impact encompasses the total compromise of confidentiality, integrity, and availability (C:H/I:H/A:H). The attacker can read, modify, or destroy sensitive financial data stored or processed by the reporting server, install persistent backdoors, pivot deeper into the internal corporate network, or disrupt business operations by crashing the affected service."
}