CVE-2026-71108 Overview
CVE-2026-71108 is an access control vulnerability [CWE-284] in the Security component of Oracle Hyperion Financial Management. The affected version is 11.2.25.0.000. A low-privileged attacker with network access via HTTP can exploit this flaw to compromise the confidentiality of data stored in the application. Successful exploitation results in unauthorized read access to critical data or complete access to all data accessible through Oracle Hyperion Financial Management. The vulnerability does not impact integrity or availability. Oracle disclosed the issue in the Oracle Security Alert Advisory published in August 2026.
Critical Impact
Authenticated attackers can obtain unauthorized read access to all data accessible through Oracle Hyperion Financial Management, including sensitive financial records.
Affected Products
- Oracle Hyperion Financial Management 11.2.25.0.000
- Component: Security
- Oracle Hyperion product family
Discovery Timeline
- 2026-08-18 - CVE-2026-71108 published to NVD
- 2026-08-20 - Last updated in NVD database
- August 2026 - Oracle published the Oracle Security Alert August 2026
Technical Details for CVE-2026-71108
Vulnerability Analysis
The vulnerability resides in the Security component of Oracle Hyperion Financial Management. It is classified under [CWE-284] Improper Access Control. The flaw allows an authenticated user with low privileges to bypass access restrictions and retrieve data that should be restricted by role-based permissions.
Exploitation is described by Oracle as difficult, reflecting conditions outside the attacker's direct control such as timing or specific application state. However, once conditions align, the confidentiality impact is high. An attacker can read all data accessible through the Hyperion Financial Management interface. Integrity and availability remain unaffected.
Hyperion Financial Management handles consolidated financial reporting for enterprises. Data exposed through this vulnerability may include general ledger entries, consolidation results, intercompany transactions, and regulatory reporting artifacts.
Root Cause
The root cause is improper enforcement of access control policies within the Security component. Authorization checks do not correctly restrict a low-privileged authenticated user from accessing data beyond their assigned scope. Refer to the Oracle Security Alert August 2026 for vendor-specific details.
Attack Vector
The attack vector is network-based over HTTP. The attacker must hold valid low-privilege credentials on the target Hyperion Financial Management instance. No user interaction is required. Attack complexity is high, indicating that specific conditions must be met for successful exploitation. The scope is unchanged, meaning the attack impacts only resources managed by the vulnerable component.
No public proof-of-concept code, exploit modules, or in-the-wild exploitation reports are available at the time of publication. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog.
Detection Methods for CVE-2026-71108
Indicators of Compromise
- Unusual HTTP request patterns from low-privileged accounts targeting Hyperion Financial Management endpoints outside their normal scope.
- Application logs showing successful data retrieval operations that exceed the requesting user's assigned role permissions.
- Sudden increases in outbound data volume from accounts that normally perform limited read operations.
Detection Strategies
- Review Hyperion Financial Management audit logs for access patterns inconsistent with assigned user roles.
- Correlate authentication events with data access events to identify privilege boundary violations.
- Enable verbose logging on the Security component to capture authorization decisions for post-incident analysis.
Monitoring Recommendations
- Baseline normal user query behavior and alert on statistical deviations in query volume or data scope.
- Monitor web server access logs for repeated requests to sensitive endpoints from non-administrative accounts.
- Integrate Hyperion audit logs into a centralized SIEM for cross-source correlation with authentication and network telemetry.
How to Mitigate CVE-2026-71108
Immediate Actions Required
- Apply the patches referenced in the Oracle Security Alert August 2026 to all instances of Oracle Hyperion Financial Management 11.2.25.0.000.
- Inventory all Hyperion Financial Management deployments and verify their exposure to untrusted networks.
- Review and tighten role assignments to enforce least privilege for all Hyperion user accounts.
Patch Information
Oracle addressed CVE-2026-71108 in the Oracle Security Alert Advisory published in August 2026. Administrators should download the applicable patch from My Oracle Support and follow Oracle's documented patching procedures for Hyperion Financial Management. Consult the Oracle Security Alert August 2026 for the full list of remediated components and installation guidance.
Workarounds
- Restrict network access to the Hyperion Financial Management HTTP interface to trusted management networks only.
- Enforce multi-factor authentication for all Hyperion accounts to raise the barrier for credentialed access.
- Reduce the number of accounts with access to Hyperion Financial Management and remove unused or dormant accounts until patching is complete.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
