CVE-2026-87208 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 as well as unauthorized update, insert or delete access to some of Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/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 undermines the integrity and confidentiality mechanisms designed to protect sensitive financial data processed by the application. The vulnerability is characterized as easily exploitable, indicating that it does not require complex attack vectors or sophisticated tooling to trigger. Instead, an attacker can leverage standard network protocols to interact with the vulnerable service endpoint directly. This ease of exploitation significantly lowers the barrier for entry, allowing individuals with minimal technical expertise to potentially compromise the system if other defensive layers are absent or misconfigured.
The operational impact of this vulnerability is severe due to its ability to facilitate unauthorized access and modification of data without requiring elevated privileges on the underlying operating system. A low-privileged attacker who has network access via HTTP can exploit this flaw to bypass authentication controls or manipulate session management logic. The primary consequence is a breach in confidentiality, where sensitive financial records, user credentials, and proprietary business intelligence stored within Oracle Hyperion Financial Management become accessible to unauthorized parties. Furthermore, the vulnerability introduces significant integrity risks by allowing attackers to perform unauthorized updates, inserts, or deletes on critical data sets. This capability means that an attacker could alter financial reports, manipulate transactional data, or delete essential records, thereby compromising the accuracy and reliability of the organization's financial reporting processes.
From a technical classification perspective, this vulnerability aligns with Common Weakness Enumeration categories such as CWE-287 Improper Authentication or CWE-352 Cross-Site Request Forgery depending on the specific implementation flaw within the security component. The attack vector is classified as Network-based with Low Attack Complexity and requires no User Interaction, which places it in a high-risk category for remote exploitation. In terms of MITRE ATT&CK framework mapping, this vulnerability likely facilitates techniques related to Initial Access through valid accounts or Credential Access if session tokens are compromised. It may also relate to Persistence or Impact tactics if the attacker leverages the unauthorized write access to maintain footholds or corrupt data integrity. The CVSS 3.1 base score of 7.1 reflects these high impacts on confidentiality and moderate impacts on integrity, while availability remains unaffected in this specific description.
Mitigation strategies must focus on immediate patching and network segmentation until updates are applied. Oracle should be consulted for the latest security patches that address this specific flaw in version 11.2.26.0.000. Organizations running this software should ensure that all components, including web servers and application layers, are updated to versions where the vulnerability is resolved. Additionally, implementing strict access control lists on network firewalls can restrict HTTP traffic to only authorized IP addresses, reducing the attack surface available to external or internal low-privileged attackers. Enabling multi-factor authentication for administrative accounts and reviewing audit logs for anomalous data modification patterns can provide early detection of exploitation attempts. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in related components before they are exploited by malicious actors seeking financial gain or corporate espionage.