Description

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 takeover of Oracle Hyperion Financial Management. 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": "2026-08-18T21:17:36.490Z",
  "pubdate": "2026-08-18T21:17:36.490Z",
  "executiveSummary": "A critical security vulnerability has been identified within the Security component of the Oracle Hyperion Financial Management product, specifically affecting 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.\nThe flaw carries a maximum CVSS 3.1 Base Score of 9.8, indicating severe risks to confidentiality, integrity, and availability. Successful exploitation grants the adversary the capability to execute a full takeover of the target application without requiring any prior authentication, user interaction, or specialized privileges.\nGiven the severity of the potential impacts—ranging from total data exposure to complete loss of operational control—the risk implications are critical. Organizations running the affected version face immediate exposure to remote exploitation if network boundaries are improperly configured or if the application is directly exposed to untrusted networks.\nImmediate remediation planning is essential, focusing on applying vendor-supplied patches and enforcing strict network-layer access controls to limit exposure surface.",
  "technicalDetails": "The vulnerability resides within the Security component of Oracle Hyperion Financial Management version 11.2.25.0.000. It manifests as a remotely exploitable flaw accessible via HTTP, allowing unauthenticated network interactions to bypass security controls and compromise the underlying application architecture.\nFrom an attack vector perspective, the vulnerability requires network accessibility (AV:N) with low attack complexity (AC:L). It requires zero privileges (PR:N) and no user interaction (UI:N). The scope is unchanged (S:U), meaning the vulnerability directly impacts the primary security context of the affected application without necessarily escaping to hypervisor or host-level hyper-contexts.\nThe step-by-step attack flow involves an unauthenticated adversary crafting malicious HTTP requests directed at the vulnerable Security component of Oracle Hyperion Financial Management. Due to insufficient input validation, authentication enforcement, or flawed session management within the targeted subsystem, the application processes the malicious payload without verifying the identity or authorization level of the sender.\nUpon successful processing of the payload, the attacker can execute arbitrary commands or manipulate internal application states. This leads directly to post-exploitation impacts characterized by complete administrative takeover of the Oracle Hyperion Financial Management instance. The attacker achieves full read, write, and execute capabilities over sensitive financial data, configuration files, and underlying database connections, compromising all triad properties of confidentiality, integrity, and availability (C:H/I:H/A:H)."
}