CVE-2026-62578 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. Easily exploitable 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. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Calculation Manager accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 that lineage. This flaw represents a critical security deficiency that undermines the integrity of authentication mechanisms or access control logic inherent to the application's architecture. The nature of this vulnerability is characterized by its susceptibility to exploitation without requiring prior authentication, which fundamentally alters the threat landscape for organizations deploying this software within their enterprise environments. By allowing unauthenticated actors to interact with core security functions, the system fails to enforce proper identity verification protocols before granting access to sensitive operational data or configuration settings.
The technical flaw enables an attacker who has gained physical proximity to the network segment where the Oracle Hyperion Calculation Manager server resides to execute malicious actions against the application. This requirement for local network access classifies the attack vector as adjacent, meaning the adversary must be able to send and receive packets from the target device's logical or physical network interface but does not need direct console access. The low complexity of exploitation suggests that standard networking tools or automated scripts can likely leverage this weakness without specialized knowledge or complex payload construction. Once an attacker establishes a connection within this trusted zone, they can bypass authentication checks to interact with unprotected endpoints or exploit logic errors in the security handling routines.
The operational impact of successfully exploiting this vulnerability is severe, primarily centered on data confidentiality and potential system compromise. An unauthenticated attacker can gain unauthorized access to critical business intelligence data processed by Hyperion Calculation Manager, including financial models, budgeting forecasts, and strategic planning documents. In worst-case scenarios, the lack of proper authentication enforcement could lead to complete access to all data accessible through the application interface. This exposure violates fundamental principles of information security regarding confidentiality and integrity, potentially leading to significant financial loss, regulatory non-compliance, or competitive disadvantage for the affected organization. The CVSS 3.1 base score of 6.5 reflects a medium severity rating driven by high impact on confidentiality despite no immediate impact on availability or system integrity in the baseline metric set.
From a classification perspective, this vulnerability aligns with CWE-287, which describes Improper Authentication, as well as potentially CWE-306 for Missing Authentication for Critical Function if specific administrative functions are exposed without checks. In terms of adversary tactics and techniques, this scenario maps to ATT&CK technique T1078, Valid Accounts or T1190, Exploit Public-Facing Application, depending on whether the attacker uses stolen credentials or directly exploits the flaw in unauthenticated access paths. The adjacent network vector corresponds to MITRE ATT&CK tactic TA0001, Initial Access, specifically leveraging local network trust boundaries that are often assumed secure but may lack sufficient segmentation or monitoring for application-layer attacks.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Oracle should be consulted immediately for the latest security patches addressing this specific version of Hyperion Calculation Manager to close the authentication bypass gap. In addition to patching, organizations should implement strict network segmentation policies that isolate critical enterprise applications from general user networks or untrusted zones. Deploying Web Application Firewalls with advanced rule sets can help detect and block anomalous traffic patterns associated with exploitation attempts. Furthermore, enabling comprehensive logging and monitoring for access control failures will aid in early detection of such intrusion attempts. Regular security assessments and penetration testing focused on authentication mechanisms are essential to ensure that similar vulnerabilities do not persist within the application's codebase or configuration settings.