CVE-2026-70714 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 high privileged attacker with logon to the infrastructure where Oracle Hyperion Calculation Manager executes to compromise Oracle Hyperion Calculation Manager. 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. CVSS 3.1 Base Score 4.1 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/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 that lineage. This flaw is classified as a difficult-to-exploit issue that requires an attacker to possess high-level privileges on the underlying infrastructure where the application executes. The nature of this vulnerability suggests a failure in proper access control or privilege separation mechanisms within the security module, allowing a user with elevated system rights to manipulate critical data structures beyond their intended scope. While the attack vector is local and requires significant pre-existing authority, the potential for unauthorized creation, deletion, or modification of critical data represents a severe integrity compromise that undermines the reliability and trustworthiness of the financial planning and analysis environment managed by Hyperion Calculation Manager.
From a technical perspective, this vulnerability aligns with CWE-269 Improper Privilege Management or potentially CWE-732 Incorrect Permission Assignment for Critical Resource if the flaw involves misconfigured file system permissions within the application's directory structure. The requirement for high privileged access indicates that the attacker must already have compromised an administrative account or gained root-level access to the server hosting the Oracle Hyperion services. This scenario often arises from lateral movement after initial compromise of a less-privileged service, highlighting the importance of strict segmentation between database servers, middleware tiers, and application hosts. The difficulty in exploitation suggests that specific conditions or race conditions may be necessary to trigger the flaw, making it less likely to be exploited by automated remote attacks but more dangerous for insider threats or attackers who have already achieved significant foothold within the network perimeter.
The operational impact of this vulnerability is primarily centered on data integrity rather than confidentiality or availability, as indicated by the CVSS 3.1 base score of 4.1 and the specific vector components showing high integrity impact with no effect on confidentiality or availability. Unauthorized modification of critical financial data can lead to significant discrepancies in reporting, forecasting, and budgeting processes that rely on Hyperion Calculation Manager for complex business rule execution. Such tampering could result in erroneous decision-making at an executive level, regulatory non-compliance due to inaccurate financial records, and potential loss of stakeholder trust. Although the attack requires high privileges, which limits its prevalence, the severity of the consequence means that any successful exploitation can have cascading effects on organizational governance and audit trails.
In terms of threat modeling, this vulnerability corresponds to ATT&CK technique T1078 Valid Accounts if the attacker uses legitimate credentials with elevated rights, or potentially T1530 Data from Cloud Storage if the data is stored in accessible cloud buckets linked to the infrastructure. It also relates to T1496 Resource Hijacking or T1529 System Shutdown/Defacement depending on whether the deletion of resources causes service disruption. The local attack vector and high privilege requirement place this within the context of post-exploitation activities where an adversary seeks to escalate their impact by corrupting core business logic data rather than simply exfiltrating information.
Mitigation strategies should focus on strict adherence to the principle of least privilege across all layers of the Oracle Hyperion infrastructure. Administrators must ensure that service accounts and application users operate with minimal necessary permissions, avoiding shared administrative credentials wherever possible. Regular auditing of user privileges and access logs is essential to detect any anomalous elevation of rights or unusual data modification patterns within the Calculation Manager environment. Additionally, applying the latest security patches provided by Oracle for version 11.2.25.0.000 and subsequent updates is critical, as vendors often release fixes that address these specific privilege escalation flaws in their security modules. Network segmentation should also be enforced to limit lateral movement opportunities, ensuring that even if an attacker gains high-level access on one host, they cannot easily pivot to the Hyperion server without additional authentication steps or network controls.