CVE-2026-70968: Oracle Hyperion Auth Bypass Vulnerability

CVE-2026-70968 Overview

CVE-2026-70968 affects the Oracle Hyperion Infrastructure Technology product within the Oracle Hyperion suite. The flaw resides in the Installation and Configuration component of version 11.2.25.0.000. A low-privileged attacker with network access over HTTP can exploit this vulnerability to gain unauthorized read access to Hyperion Infrastructure Technology data. The weakness is classified under CWE-284: Improper Access Control. Oracle addressed the issue in the Oracle Security Alert August 2026.

Critical Impact
Successful exploitation grants attackers complete access to all data accessible by Oracle Hyperion Infrastructure Technology, including potentially sensitive financial planning and consolidation data.

Affected Products

Oracle Hyperion Infrastructure Technology version 11.2.25.0.000
Component: Installation and Configuration
Deployments exposing Hyperion services over HTTP to authenticated users

Discovery Timeline

2026-08-18 - CVE-2026-70968 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-70968

Vulnerability Analysis

The vulnerability affects the Installation and Configuration component of Oracle Hyperion Infrastructure Technology. Oracle Hyperion Infrastructure Technology provides the shared services layer for Enterprise Performance Management (EPM) applications, including authentication, provisioning, and workspace services. The flaw allows a low-privileged authenticated user to read data they are not authorized to access. Exploitation targets confidentiality only. Integrity and availability of the system remain unaffected.

Root Cause

The root cause is improper access control [CWE-284] within the Installation and Configuration component. The component fails to enforce authorization checks before returning sensitive configuration or application data. A user holding minimal privileges on the Hyperion environment can request resources reserved for higher-privileged roles. Oracle's advisory does not disclose the specific endpoint or parameter responsible.

Attack Vector

The attack requires network reachability to the Hyperion HTTP interface and valid low-privilege credentials. No user interaction is required, and the attack complexity is low. An adversary authenticates to the Hyperion environment, then issues HTTP requests against the affected component to retrieve restricted data. The vulnerability does not permit modification of data or disruption of service.

No public proof-of-concept exploit is available for CVE-2026-70968. See the Oracle Security Alert August 2026 for vendor-supplied technical details.

Detection Methods for CVE-2026-70968

Indicators of Compromise

Unexpected HTTP requests from low-privileged Hyperion accounts targeting configuration or administrative endpoints
Anomalous data volume in HTTP responses served to non-administrative users
Authentication events from service or read-only accounts followed by access to Installation and Configuration resources

Detection Strategies

Baseline normal HTTP request patterns per Hyperion user role and alert on deviations
Monitor Hyperion web server access logs for requests to Installation and Configuration URIs from non-administrative principals
Correlate authentication logs with subsequent resource access to identify privilege boundary violations

Monitoring Recommendations

Forward Hyperion web tier, EPM Workspace, and Shared Services logs to a centralized SIEM for correlation
Track failed and successful access attempts on configuration endpoints and flag repeated access by the same low-privilege identity
Review Hyperion provisioning reports regularly to confirm role assignments match business need

How to Mitigate CVE-2026-70968

Immediate Actions Required

Apply the patches from the Oracle Security Alert August 2026 to affected Hyperion Infrastructure Technology deployments
Inventory all Hyperion environments running version 11.2.25.0.000 and prioritize internet-adjacent or multi-tenant instances
Audit Hyperion user accounts and revoke unnecessary low-privilege access

Patch Information

Oracle addressed CVE-2026-70968 in the August 2026 Critical Patch Update Security Alert. Administrators should download and apply the update for Oracle Hyperion Infrastructure Technology 11.2.25.0.000 as documented in the Oracle Security Alert August 2026. Test the patch in a non-production environment before deploying to production Hyperion clusters.

Workarounds

Restrict network access to the Hyperion HTTP interface using firewall rules or reverse proxy allow-lists until patching completes
Enforce strong authentication and rotate credentials for all Hyperion service and user accounts
Place Hyperion behind a web application firewall configured to inspect requests to configuration endpoints

bash

# Example: restrict Hyperion HTTP access to trusted management subnet
iptables -A INPUT -p tcp --dport 19000 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 19000 -j DROP