CVE-2026-70836 Overview
CVE-2026-70836 affects the Security component of Oracle Hyperion Financial Management, version 11.2.25.0.000. The vulnerability allows a low-privileged attacker with local logon access to the infrastructure running the application to compromise confidentiality. Successful exploitation results in unauthorized read access to critical data or complete access to all data accessible through Oracle Hyperion Financial Management.
Critical Impact
A local attacker with valid low-privilege credentials can obtain unauthorized access to sensitive financial data managed by Oracle Hyperion Financial Management.
Affected Products
- Oracle Hyperion Financial Management 11.2.25.0.000
- Oracle Hyperion (Security component)
- Deployments running the supported affected version on managed infrastructure
Discovery Timeline
- 2026-08-18 - CVE-2026-70836 published to NVD
- 2026-08-20 - Last updated in NVD database
- August 2026 - Disclosed in the Oracle Security Alert August 2026
Technical Details for CVE-2026-70836
Vulnerability Analysis
The vulnerability resides in the Security component of Oracle Hyperion Financial Management. An authenticated attacker with low privileges and the ability to log on to the infrastructure hosting the application can bypass intended access restrictions. The flaw impacts confidentiality only, with no direct impact on integrity or availability of the target system.
Oracle classifies the issue as easily exploitable, requiring no user interaction. The attack scope remains unchanged, meaning the impact is confined to the vulnerable component itself. However, because Oracle Hyperion Financial Management handles financial consolidation and reporting data, exposure of that data set carries material business risk.
Root Cause
Oracle has not published a detailed technical root-cause analysis. The advisory identifies the defect within the Security component, which governs authentication, authorization, and access control decisions for Hyperion Financial Management. Refer to the Oracle Security Alert August 2026 for vendor-published details.
Attack Vector
The attack vector is local. An attacker must already possess valid low-privilege credentials and the ability to log on to the infrastructure where Oracle Hyperion Financial Management executes. Once authenticated, the attacker leverages the Security component flaw to read data that should be restricted to higher-privileged roles. No user interaction is required to trigger the condition, and exploitation complexity is low.
No public proof-of-concept code has been observed. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog, and there is no evidence of exploitation in the wild.
Detection Methods for CVE-2026-70836
Indicators of Compromise
- Unexpected read access events on Hyperion Financial Management data objects performed by low-privileged accounts.
- Application-level audit entries showing role or entitlement checks being satisfied under unusual contexts.
- Interactive or remote logon sessions to Hyperion infrastructure from accounts that historically only submit batch jobs.
Detection Strategies
- Baseline normal query and export patterns for each Hyperion Financial Management role, then alert on deviations by low-privilege accounts.
- Correlate Windows or Linux logon events on Hyperion servers with subsequent application access to sensitive entities, scenarios, or accounts.
- Review Hyperion Financial Management audit logs for access to consolidation data outside the user's assigned security class.
Monitoring Recommendations
- Forward Hyperion application logs, database audit logs, and host OS security events to a central SIEM for correlation.
- Track service account and shared account usage on Hyperion middle-tier and database servers.
- Alert on privilege changes, new local logons, or new interactive sessions on Hyperion Financial Management hosts.
How to Mitigate CVE-2026-70836
Immediate Actions Required
- Apply the fixes referenced in the Oracle Critical Patch Update / Security Alert August 2026 to affected Hyperion Financial Management deployments.
- Inventory all Hyperion Financial Management instances and confirm version 11.2.25.0.000 exposure.
- Restrict interactive logon rights on Hyperion infrastructure to the minimum required administrators and service accounts.
Patch Information
Oracle addressed the issue as part of the August 2026 security release cycle. Administrators should consult the Oracle Security Alert August 2026 for the applicable patch bundle, supported patch levels, and installation prerequisites for Hyperion Financial Management 11.2.25.0.000.
Workarounds
- Enforce least privilege on the operating systems hosting Hyperion Financial Management to reduce the pool of accounts that satisfy the local access precondition.
- Require multi-factor authentication for any account able to log on to Hyperion servers, including jump hosts and Remote Desktop gateways.
- Segment Hyperion infrastructure on a dedicated management network with restricted inbound access from user workstations.
- Review and tighten Hyperion Financial Management security classes so low-privilege roles cannot enumerate sensitive entities or scenarios.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
