CVE-2026-87192 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 low privileged attacker with network access via HTTP 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hyperion Financial Management. CVSS 3.1 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L).
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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 significant security deficiency that allows for unauthorized access to critical data or complete compromise of all accessible information within the application environment. The nature of this vulnerability is characterized by its ease of exploitation, requiring only low-privileged credentials and network access via HTTP from an attacker's position. This accessibility profile suggests that the authentication mechanisms or session handling logic contain weaknesses that can be bypassed or manipulated without needing elevated privileges or complex social engineering tactics.
From a technical perspective, the vulnerability enables an attacker to compromise the integrity of the application by gaining unauthorized read access to sensitive financial data and potentially executing actions that lead to partial denial of service conditions. The ability to cause a partial denial of service indicates that the flaw may also impact system stability or resource availability, allowing attackers to disrupt business operations even if they do not fully exfiltrate data. This dual-impact profile underscores the severity of the issue, as it affects both confidentiality and availability aspects of the security triad. The vulnerability likely stems from improper validation of user inputs or insufficient access control checks within the HTTP request processing pipeline, allowing malicious actors to inject commands or manipulate session states in ways that bypass standard authorization protocols.
In terms of industry standards classification, this vulnerability aligns with CWE-287, which describes Improper Authentication, and potentially CWE-352 for Cross-Site Request Forgery if the attack vector involves tricking users into performing unintended actions. Furthermore, the exploitation technique maps to MITRE ATT&CK techniques such as T1078 Valid Accounts, where attackers use legitimate credentials to gain access, or T1496 Resource Hijacking if the denial of service aspect is leveraged for disruptive purposes. The CVSS 3.1 base score of 7.1 reflects a High severity rating, driven by the Network attack vector, Low complexity, and the requirement for low privileges rather than none. This scoring highlights that while the attacker does not need to be an administrator, they do require some level of valid access, which is common in enterprise applications where internal network segmentation may have been insufficiently enforced.
The operational impact of this vulnerability extends beyond immediate data theft or service disruption. For financial management systems like Oracle Hyperion, unauthorized access can lead to severe regulatory compliance violations, including breaches of SOX (Sarbanes-Oxley Act) requirements for accurate and secure financial reporting. The ability to alter or view sensitive financial records without detection poses a direct threat to organizational integrity and trust. Additionally, the partial denial of service capability means that critical business processes dependent on real-time data access could be halted, leading to operational downtime and potential financial losses associated with interrupted workflows.
Mitigation strategies must prioritize immediate patching by Oracle Hyperion Financial Management administrators to apply the latest security updates provided by Oracle. In addition to applying patches, organizations should implement strict network segmentation policies to limit HTTP access to only authorized management interfaces or internal subnets where necessary. Enforcing multi-factor authentication for all user accounts can significantly raise the barrier for exploitation even if low-privileged credentials are compromised. Furthermore, deploying Web Application Firewalls with rules specifically tuned to detect anomalous request patterns associated with this vulnerability type can provide an additional layer of defense. Regular audits of access logs and monitoring for unusual data retrieval or service degradation events will aid in early detection and response should the vulnerability be exploited before a patch is applied.