CVE-2026-87242 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 TLS 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 critical security deficiency that allows an unauthenticated attacker to compromise the integrity and confidentiality of the application's data stores. The vulnerability is characterized by its network-based attack vector, requiring only TLS connectivity to exploit, which significantly broadens the potential attack surface as it does not require local access or user interaction. While the complexity of exploitation is rated as high, meaning that specialized conditions or precise timing may be required for a successful attack, the lack of authentication requirements makes this a severe threat in environments where external-facing services are exposed to untrusted networks.
From a technical perspective, the flaw likely stems from insufficient validation or access control mechanisms within the TLS handling subsystems of Oracle Hyperion Financial Management. The absence of proper authorization checks before processing certain requests allows an attacker who can establish a network connection via TLS to bypass security boundaries. This architectural weakness enables the execution of unauthorized operations against critical data structures. Because the vulnerability impacts both confidentiality and integrity, it suggests that the flaw permits not only reading sensitive financial records but also altering or destroying them. The high complexity rating indicates that while automated exploitation tools may exist for similar vulnerabilities in other products, this specific instance likely requires a sophisticated understanding of the application's internal state machine or protocol implementation to trigger the unintended behavior reliably.
The operational impact of successfully exploiting this vulnerability is substantial and potentially catastrophic for organizations relying on Oracle Hyperion Financial Management for enterprise performance management and financial reporting. An attacker gaining unauthorized access can create, delete, or modify critical data such as general ledger entries, budget forecasts, and audit trails. This compromises the integrity of financial statements, which could lead to severe regulatory non-compliance, reputational damage, and significant financial loss. Furthermore, the ability to read all accessible data exposes sensitive corporate strategies, employee information, and proprietary financial models to competitors or malicious actors. The complete access capability implies that once this initial foothold is established through the security flaw, it may serve as a pivot point for further lateral movement within the organization's network if additional defenses are not in place.
In terms of industry standard classifications, this vulnerability aligns with CWE-287, which describes Improper Authentication, and potentially CWE-915, Improper Modification of Objects by Unauthorized Actors, depending on the specific code path exploited. The attack pattern corresponds to MITRE ATT&CK techniques involving Initial Access via network services and subsequent Impact actions such as Data Manipulation or Exfiltration over encrypted channels. The CVSS 3.1 base score of 7.4 reflects these high impacts on confidentiality and integrity, despite the higher complexity and lack of scope change. This scoring underscores that while exploitation is not trivial, the consequences are severe enough to warrant immediate attention from security operations teams.
Mitigation strategies must focus on both technical controls and administrative policies. Oracle should be consulted for any available patches or interim workarounds specific to version 11.2.26.0.000 that address this security component flaw. In the absence of an immediate patch, network segmentation is critical; ensuring that Oracle Hyperion Financial Management instances are not directly accessible from untrusted networks via TLS can significantly reduce risk. Implementing a Web Application Firewall with rules tailored to detect anomalous request patterns associated with high-complexity exploits may also provide a layer of defense. Additionally, enforcing strict access controls and monitoring for unusual data modification or retrieval activities within the application logs is essential for early detection. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in related components before they can be leveraged by adversaries.