CVE-2026-70853 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 high privileged attacker with network access via HTTP to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Hyperion Financial Management accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hyperion Financial Management. CVSS 3.1 Base Score 3.3 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:L).
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Analysis
by VulDB Data Team • 08/19/2026
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 is characterized by a difficulty level that classifies it as hard to exploit, which significantly influences its real-world risk profile despite being network-accessible via HTTP. The core technical issue involves an improper access control mechanism or logic error within the application's security layer, allowing for unauthorized interactions with sensitive system resources when specific conditions are met. While the vulnerability is technically exploitable over a network connection, it strictly requires high privileged attacker credentials to initiate any successful attack vector. This prerequisite means that the threat actor must already possess elevated administrative rights or have compromised an account with significant privileges within the Oracle Hyperion environment before they can leverage this flaw for further malicious activity.
From a technical perspective, the vulnerability manifests in two distinct operational impacts: unauthorized read access and partial denial of service capabilities regarding availability. The confidentiality impact is limited to reading a subset of accessible data rather than full system compromise or arbitrary code execution. This suggests that the flaw likely involves an information disclosure bug where specific API endpoints or internal functions fail to properly validate whether the requesting high-privileged user has permission to view particular financial records, reports, or configuration details they are not explicitly authorized to access. Simultaneously, the availability impact indicates that a successful exploitation attempt can cause partial disruption of service, likely through resource exhaustion or state corruption triggered by malformed requests crafted specifically to exploit the security logic flaw. This dual nature aligns with CWE-269 Improper Privilege Management and potentially CWE-787 Out-of-bounds Write if the denial of service stems from memory corruption, though more commonly in web applications it relates to CWE-400 Uncontrolled Resource Consumption or specific application-level DoS vectors like CWE-1321.
The operational impact for organizations running this version is moderate but non-trivial due to the high privilege requirement. Since an attacker must already have high privileged access, this vulnerability does not represent a direct path from unauthenticated external internet traffic into system compromise. Instead, it serves as a lateral movement or data exfiltration vector within a compromised perimeter. An insider threat actor with elevated privileges could use this flaw to bypass audit logs and security controls to extract sensitive financial data without detection. Furthermore, the partial denial of service capability poses a risk to business continuity if exploited intentionally by malicious insiders seeking to disrupt financial reporting cycles or operational workflows during critical periods such as month-end closing or quarterly earnings preparation. The CVSS 3.1 base score of 3.3 reflects this low severity due to the high attack complexity and privilege requirements, categorized under vector AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:L.
Mitigation strategies must focus on strict access control enforcement and monitoring rather than simple patching alone, although applying the latest Oracle Critical Patch Update is essential for addressing underlying code flaws. Organizations should immediately audit user accounts with high privileged roles to ensure that only absolutely necessary personnel hold these credentials, adhering to the principle of least privilege as defined in industry standards like NIST SP 800-53 AC-6. Implementing robust logging and monitoring solutions capable of detecting anomalous data access patterns by privileged users is critical for identifying potential exploitation attempts early. Additionally, network segmentation should be reviewed to ensure that even high-privileged accounts are restricted from accessing unnecessary external services or interfaces via HTTP if not required for their function. Regular vulnerability assessments focusing on privilege escalation paths and internal security controls will help identify similar weaknesses before they can be leveraged by threat actors who have already gained a foothold within the network perimeter.