CVE-2026-62598 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 low privileged attacker with network access via SFTP 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 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/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 for unauthorized manipulation or exfiltration of data through the Secure File Transfer Protocol interface. The nature of this vulnerability is characterized by its difficulty to exploit, which typically implies complex prerequisites such as specific timing conditions, precise input formatting, or interaction with multiple system states before exploitation can succeed. Despite this high barrier to entry, the potential impact on the confidentiality and integrity of enterprise data remains severe due to the elevated privileges required for successful execution being limited only to low-privileged accounts rather than requiring administrative access.
From a technical perspective, the vulnerability leverages the SFTP subsystem which serves as an interface for file transfers within the Hyperion environment. The flaw likely stems from insufficient validation or improper handling of user-supplied input during authentication or session management processes associated with secure file transfer operations. This allows an attacker who has obtained low-level network access and valid credentials to bypass intended security controls. Because Oracle products often share underlying codebases, database structures, or identity management systems, a compromise in Calculation Manager can lead to scope changes where the attack vector extends beyond the immediate application. This lateral movement capability means that attackers may pivot from this entry point to access other integrated Hyperion components such as Planning, Financial Management, or Essbase bases, thereby expanding the blast radius of the initial breach significantly.
The operational impact of a successful exploitation is substantial, primarily targeting data confidentiality and integrity while leaving availability largely intact according to the provided CVSS metrics. An attacker can achieve unauthorized creation, deletion, or modification of critical business data stored within the Calculation Manager repository. This includes financial models, calculation scripts, metadata definitions, and user configurations that are essential for accurate enterprise performance management reporting. Furthermore, the vulnerability grants complete access to all accessible data within the system, enabling the exfiltration of sensitive intellectual property, financial forecasts, or employee information. The ability to modify critical data poses a direct threat to business continuity and regulatory compliance, as corrupted calculations could lead to erroneous decision-making at executive levels if not detected promptly.
In terms of industry standard classifications, this vulnerability aligns with CWE-287 Improper Authentication or CWE-269 Privilege Escalation depending on the specific mechanism used to bypass controls, though the low privilege requirement suggests it may involve a flaw in access control logic rather than traditional privilege escalation. The attack vector corresponds to ATT&CK technique T1048 Exchange Protocol for Data Exfiltration if data is being stolen via SFTP, or potentially T1530 Data from Cloud Storage Object if the files are stored as objects within an integrated cloud environment. The high complexity of exploitation serves as a natural deterrent against opportunistic attacks but does not mitigate the risk posed by targeted adversaries with sufficient resources and time to develop specialized exploits.
Mitigation strategies must focus on both immediate containment and long-term remediation. Oracle has likely released patches for version 11.2.25.0.000 that address this specific security flaw, making patching the primary defense mechanism. Organizations should prioritize applying these updates in a test environment before deploying to production to ensure compatibility with existing customizations. In addition to patching, network segmentation is critical; SFTP services should be restricted to trusted IP ranges and isolated from general corporate networks where possible. Implementing strict access controls ensures that only authorized personnel have low-privileged accounts capable of initiating file transfers, reducing the attack surface for credential-based attacks. Continuous monitoring of SFTP logs for anomalous activity patterns can aid in early detection of exploitation attempts, while regular audits of user permissions help maintain a principle of least privilege posture across all Hyperion components to prevent lateral movement should one component be compromised.