CVE-2026-87173 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 unauthenticated attacker with network access via TCP to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hyperion Financial Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
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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 critical security deficiency that permits unauthenticated attackers to compromise the integrity and confidentiality of the application's data stores. The vulnerability is characterized by its ease of exploitation, requiring no user interaction or complex preconditions beyond network connectivity. An attacker with access to the TCP port associated with the Oracle Hyperion Financial Management service can leverage this flaw to gain unauthorized control over critical system functions. This capability fundamentally undermines the security posture of enterprise financial systems, which rely heavily on strict access controls and data integrity guarantees to function correctly in regulated environments.
From a technical perspective, the vulnerability allows for unauthorized creation, deletion, or modification of critical data within the Oracle Hyperion Financial Management environment. The impact extends beyond mere data alteration; it also grants the attacker complete read access to all accessible data managed by the system. This dual nature of the flaw means that an adversary can not only exfiltrate sensitive financial records but also manipulate them to obscure fraudulent activities or disrupt business operations. The absence of authentication requirements for this exploit path indicates a significant lapse in input validation, session management, or access control logic within the security module. Such flaws are often rooted in improper handling of untrusted data inputs that bypass intended authorization checks, allowing low-privilege actors to escalate their privileges effectively without valid credentials.
The operational impact of this vulnerability is severe, aligning with a CVSS 3.1 Base Score of 9.1, which denotes a Critical severity level. The vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N) highlights that the attack vector is Network-based, requiring Low Attack Complexity and no Privileges or User Interaction to succeed. While Availability remains unaffected according to this specific assessment, the High impacts on Confidentiality and Integrity are particularly dangerous for financial management software. Unauthorized access to critical data can lead to significant regulatory non-compliance, including violations of SOX (Sarbanes-Oxley Act), GDPR, or other industry-specific standards that mandate strict data protection measures. Furthermore, the ability to modify or delete data introduces a risk of financial fraud and operational disruption that could have long-term reputational and legal consequences for the organization hosting the vulnerable instance.
In terms of classification frameworks, this vulnerability maps closely to CWE-287 (Improper Authentication) as it allows unauthenticated access, and potentially CWE-94 (Improper Control of Generation of Code) or CWE-601 (URL Redirection to Untrusted Site) if specific injection vectors are involved in the exploitation process. From an ATT&CK perspective, this aligns with T1078 (Valid Accounts) if the attacker uses stolen credentials later, but primarily falls under initial access techniques that exploit misconfigurations or unpatched software flaws. The lack of authentication requirement places it firmly within the realm of remote code execution or unauthorized data manipulation vectors commonly seen in enterprise application vulnerabilities where security boundaries are not properly enforced at the network or application layer.
Mitigation strategies must prioritize immediate patching to the latest available version provided by Oracle, which should address the underlying logic flaws in the Security component. Organizations running this specific version should treat it as a high-priority remediation item due to its critical severity and ease of exploitation. In addition to applying vendor-supplied patches, administrators should implement network-level controls such as firewall rules or Web Application Firewalls (WAF) to restrict access to the Oracle Hyperion Financial Management ports exclusively from trusted IP addresses. This limits the attack surface by preventing unauthenticated actors on public networks from reaching the vulnerable service endpoint. Regular security audits and penetration testing focused on authentication mechanisms are also recommended to identify similar weaknesses in other components of the enterprise application suite before they can be exploited.