CVE-2026-71117 Overview
CVE-2026-71117 is a vulnerability in the Security component of Oracle Hyperion Financial Management. The affected supported version is 11.2.25.0.000. A high-privileged attacker with local logon access to the infrastructure running Oracle Hyperion Financial Management can exploit this flaw to compromise the application. Successful exploitation results in a complete takeover of Oracle Hyperion Financial Management and can impact additional products due to a scope change. The vulnerability maps to [CWE-284: Improper Access Control].
Critical Impact
Successful exploitation results in full takeover of Oracle Hyperion Financial Management with cross-product impact affecting confidentiality, integrity, and availability.
Affected Products
- Oracle Hyperion Financial Management
- Oracle Hyperion Financial Management version 11.2.25.0.000
- Security component of Oracle Hyperion
Discovery Timeline
- 2026-08-18 - CVE-2026-71117 published to NVD
- 2026-08-20 - Last updated in NVD database
- August 2026 - Included in Oracle Security Alert August 2026
Technical Details for CVE-2026-71117
Vulnerability Analysis
The vulnerability resides in the Security component of Oracle Hyperion Financial Management. It is classified as improper access control [CWE-284]. Exploitation requires an authenticated attacker with high privileges and local logon access to the host running the application. The flaw exhibits a scope change, meaning successful exploitation can extend impact beyond Oracle Hyperion Financial Management to additional products in the environment. Oracle rates the impact as high across confidentiality, integrity, and availability, culminating in application takeover.
Root Cause
The root cause is improper access control within the Security component of Oracle Hyperion Financial Management. The component fails to enforce sufficient authorization boundaries, permitting a privileged local actor to perform actions that compromise the integrity of the application and cross security boundaries into adjacent products.
Attack Vector
Exploitation requires local access to the infrastructure hosting Oracle Hyperion Financial Management and high privileges on that infrastructure. Attack complexity is high, indicating that specific preconditions must be met to trigger the flaw. No user interaction is required. Refer to the Oracle Security Alert August 2026 for authoritative technical details, as no verified public proof-of-concept has been published.
Detection Methods for CVE-2026-71117
Indicators of Compromise
- Unexpected privileged access or configuration changes within the Oracle Hyperion Financial Management Security component.
- Anomalous logons to the infrastructure hosting Oracle Hyperion Financial Management by administrative accounts outside routine maintenance windows.
- Unauthorized modification of Hyperion service accounts, roles, or application-level permissions.
Detection Strategies
- Audit Hyperion application logs for role changes, permission grants, and security policy modifications.
- Correlate host-level authentication events with Hyperion administrative activity to identify misuse of high-privileged sessions.
- Baseline normal administrator behavior on Hyperion servers and alert on deviations, especially cross-application access.
Monitoring Recommendations
- Monitor process execution and file integrity on Oracle Hyperion Financial Management servers hosting version 11.2.25.0.000.
- Forward Hyperion, Windows, and middleware logs to a centralized analytics platform for correlation and long-term retention.
- Alert on lateral movement indicators between Hyperion hosts and adjacent Oracle products, given the CVSS scope change.
How to Mitigate CVE-2026-71117
Immediate Actions Required
- Apply the fixes referenced in the Oracle Security Alert August 2026 to Oracle Hyperion Financial Management 11.2.25.0.000.
- Restrict local logon rights on Hyperion infrastructure to a minimal set of administrators.
- Review and reduce the number of accounts holding high privileges on Hyperion hosts.
Patch Information
Oracle addressed CVE-2026-71117 as part of its August 2026 Critical Patch Update cycle. Administrators should consult the Oracle Security Alert August 2026 for the applicable patch identifiers, product-specific instructions, and any prerequisite updates required for Oracle Hyperion Financial Management 11.2.25.0.000.
Workarounds
- Enforce network segmentation to isolate Hyperion infrastructure from general-purpose administrative networks.
- Require multi-factor authentication and privileged access management for any accounts capable of logging on to Hyperion hosts.
- Continuously audit administrative group membership and remove stale or unnecessary high-privileged accounts until patching is complete.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
