CVE-2026-87213 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP 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 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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 significant security deficiency because it permits an unauthenticated attacker to compromise the integrity and confidentiality of the application's data stores without requiring any form of user interaction or prior authentication credentials. The attack vector is network-based, utilizing HTTP as the primary communication protocol, which implies that the vulnerability can be exploited remotely over standard web connections rather than through local system access or complex physical interactions. This characteristic significantly lowers the barrier to entry for malicious actors who possess basic networking knowledge and access to a vulnerable instance of the software.
From a technical perspective, the core issue stems from insufficient validation or authorization checks within the HTTP request handling mechanisms of the Hyperion Financial Management application server. While the vulnerability is classified as difficult to exploit due to high complexity requirements in crafting valid attack payloads that bypass existing security controls, its impact profile remains severe once successfully triggered. The flaw allows for unauthorized creation, deletion, or modification of critical data structures and configuration files within the financial management system. This capability directly maps to CWE-269 Improper Privilege Management and CWE-732 Incorrect Permission Assignment for Critical Resource, indicating that the application fails to enforce appropriate access control policies on sensitive resources accessible via HTTP endpoints. The absence of proper authentication checks before processing these requests enables an external actor to manipulate system state arbitrarily.
The operational impact of this vulnerability is substantial due to its effect on both confidentiality and integrity, as reflected in a CVSS 3.1 Base Score of 7.4. An attacker who successfully exploits this flaw can gain complete access to all data accessible by Oracle Hyperion Financial Management, including sensitive financial records, user credentials stored within the system, and proprietary business intelligence reports. The ability to modify or delete critical data introduces severe risks to organizational integrity, potentially leading to corrupted financial statements, loss of audit trails, and disruption of ongoing fiscal operations. Furthermore, the unauthorized creation of new entries could allow an attacker to inject fraudulent transactions or backdoor accounts that persist even after initial detection attempts. This aligns with MITRE ATT&CK techniques such as T1078 Valid Accounts if existing credentials are leveraged for lateral movement, although in this specific case, the lack of authentication requirement makes it more akin to direct exploitation of misconfigured endpoints similar to T1190 Exploit Public-Facing Application.
Mitigation strategies must focus on immediate isolation and patching since Oracle has likely released a security update addressing these authorization flaws. Organizations running version 11.2.26.0.000 should apply the latest available patches from Oracle Support immediately to close the gap in access control logic. In environments where patching is not instantly feasible, network-level controls such as Web Application Firewalls can be configured to block suspicious HTTP patterns associated with exploitation attempts for this specific component. Additionally, restricting direct internet-facing exposure of Hyperion Financial Management instances and enforcing strict firewall rules that limit inbound traffic to trusted IP ranges can reduce the attack surface significantly. Regular security audits focusing on authentication mechanisms across all web services within the Oracle Hyperion suite are recommended to ensure no similar misconfigurations exist in other modules or versions.