CVE-2026-62602 in Hyperion Calculation Manager
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Calculation Manager product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.25.0.000. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Hyperion Calculation Manager executes to compromise Oracle Hyperion Calculation Manager. While the vulnerability is in Oracle Hyperion Calculation Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hyperion Calculation Manager accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Calculation Manager accessible data. CVSS 3.1 Base Score 8.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Security component of Oracle Hyperion Calculation Manager, specifically affecting version 11.2.25.0.000 and potentially other supported releases in the suite. This flaw represents a critical security deficiency that allows an unauthenticated attacker to compromise the integrity and confidentiality of the application data. The nature of this vulnerability is characterized by its difficulty to exploit, which serves as a natural barrier against casual or remote automated attacks but does not eliminate the risk for determined adversaries with specific access capabilities. The core technical issue involves insufficient authentication controls within the security module, allowing unauthorized entities to interact with sensitive system functions without valid credentials. This lack of proper verification mechanisms creates an opening for malicious actors to manipulate critical data structures and user permissions directly at the application layer.
The operational impact of this vulnerability is severe due to its high confidentiality and integrity scores in the CVSS 3.1 rating, which stands at a base score of 8.0. Successful exploitation enables attackers to perform unauthorized creation, deletion, or modification of critical data stored within Oracle Hyperion Calculation Manager. Furthermore, it grants complete access to all accessible data managed by the system, effectively bypassing existing security boundaries. The scope change indicated in the vulnerability description highlights that while the flaw is localized to the Calculation Manager component, the consequences can ripple through additional products integrated with or dependent on this service. This interconnectedness means that a compromise in one area can lead to broader systemic failures across the Oracle Hyperion ecosystem, affecting financial planning and analysis processes that rely on accurate and secure data calculations.
From an industry standard perspective, this vulnerability aligns closely with CWE-287, which describes Improper Authentication, as well as CWE-352 for Cross-Site Request Forgery if web-based interfaces are involved in the attack vector. In terms of threat modeling frameworks like MITRE ATT&CK, this flaw facilitates techniques associated with Initial Access and Credential Access, specifically allowing an attacker to bypass authentication mechanisms to gain unauthorized entry into sensitive systems. The requirement for physical proximity or access to the local network segment places this vulnerability within the context of Local Network attacks rather than remote internet-based exploits. This distinction is crucial for risk assessment, as it limits the attack surface to those who have already breached perimeter defenses or possess physical access to the infrastructure hosting the application.
Mitigation strategies must focus on both immediate technical controls and long-term architectural improvements. Organizations should immediately restrict network access to Oracle Hyperion Calculation Manager servers by implementing strict firewall rules that limit connectivity to only trusted IP addresses and subnets. Since the vulnerability requires access to the physical communication segment, isolating these systems in a dedicated VLAN with no external routing is essential. Additionally, deploying intrusion detection or prevention systems capable of monitoring for anomalous authentication attempts can help detect exploitation efforts early. It is imperative to apply the latest security patches provided by Oracle as soon they become available, ensuring that version 11.2.25.0.000 and other affected versions are updated to address this specific flaw. Regular audits of access logs should be conducted to identify any unauthorized changes or data modifications resulting from potential exploitation attempts.