CVE-2026-87182 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 logon to the infrastructure where Oracle Hyperion Financial Management executes to compromise Oracle Hyperion Financial Management. While the vulnerability is in Oracle Hyperion Financial Management, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Financial Management. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
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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 version 11.2.26.0.000, representing a critical flaw in the application's access control mechanisms. This security defect allows for an elevation of privilege scenario where an attacker with low-level privileges and valid logon credentials to the underlying infrastructure can compromise the integrity and confidentiality of the entire system. The vulnerability is characterized by its ease of exploitation, requiring no user interaction or complex social engineering tactics beyond initial authentication. Once authenticated, the attacker can leverage this flaw to execute arbitrary actions that bypass intended security boundaries, effectively taking full control over the Oracle Hyperion Financial Management environment. This capability transforms a standard low-privileged account into one with administrative-level access, undermining the fundamental principle of least privilege upon which enterprise application architectures are built.
The operational impact of this vulnerability is severe and far-reaching due to the scope change inherent in successful exploitation. While the technical flaw is localized within Oracle Hyperion Financial Management, the consequences extend beyond the immediate application layer. Because financial management systems often serve as central repositories for sensitive corporate data and integrate with broader enterprise resource planning ecosystems, a compromise can lead to significant lateral movement across the network. Attackers may utilize this foothold to access interconnected databases, extract confidential financial records, or manipulate transactional integrity. The high impact on confidentiality, integrity, and availability means that organizations face risks ranging from massive data breaches and regulatory non-compliance to complete operational paralysis if attackers corrupt critical financial datasets or disrupt service availability.
From a classification perspective, this vulnerability aligns with CWE-269, which addresses Improper Privilege Management, specifically where an actor is able to elevate privileges beyond their assigned role without proper authorization checks. The attack vector corresponds to ATT&CK technique T1078, Valid Accounts, as the exploitation relies on legitimate credentials obtained through standard logon processes rather than external intrusion methods like phishing or zero-day exploits against unpatched services. Furthermore, the ability to take over the application environment suggests potential alignment with privilege escalation techniques such as T1068 Exploitation for Privilege Escalation if internal mechanisms are abused to gain higher system-level rights. The CVSS 3.1 base score of 8.8 reflects these high-impact characteristics, emphasizing that local access combined with low complexity and no user interaction creates a highly dangerous threat landscape for organizations relying on this software stack.
Mitigation strategies must focus immediately on isolating the affected systems from untrusted networks and applying vendor-provided patches if available. Organizations should enforce strict network segmentation to limit lateral movement opportunities in case of compromise, ensuring that Oracle Hyperion Financial Management servers reside within a hardened zone with restricted outbound connectivity. Access control policies require rigorous review to ensure that low-privileged accounts do not possess unnecessary permissions on the underlying infrastructure where the application executes. Implementing multi-factor authentication for all administrative and privileged accounts can reduce the risk of credential theft leading to such exploits. Additionally, continuous monitoring through security information and event management systems should be configured to detect anomalous privilege escalation attempts or unusual access patterns originating from low-privileged user sessions within the Hyperion environment.