CVE-2026-70730: Oracle Hyperion Auth Bypass Vulnerability

CVE-2026-70730 Overview

CVE-2026-70730 is a critical vulnerability in the Oracle Hyperion Profitability and Cost Management product, specifically within the Deployment component. The affected supported version is 11.2.25.0.000. An unauthenticated attacker with network access via HTTP can exploit this flaw to compromise the application. Successful exploitation allows unauthorized creation, deletion, or modification of critical data, along with complete read access to all data accessible by Oracle Hyperion Profitability and Cost Management.

Critical Impact
Unauthenticated remote attackers can compromise confidentiality and integrity of all data managed by Oracle Hyperion Profitability and Cost Management over HTTP.

Affected Products

Oracle Hyperion Profitability and Cost Management
Component: Deployment
Version: 11.2.25.0.000

Discovery Timeline

2026-08-18 - CVE-2026-70730 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-70730

Vulnerability Analysis

The vulnerability resides in the Deployment component of Oracle Hyperion Profitability and Cost Management. The flaw is exposed over HTTP and can be reached across the network without prior authentication or user interaction. Attackers require no valid credentials to leverage it.

Successful exploitation grants read access to all data accessible by the application and permits unauthorized creation, deletion, or modification of that data. Availability is not directly affected, but data integrity guarantees for financial and cost management records are broken.

Root Cause

Oracle has not published detailed root-cause information beyond the advisory summary. The Deployment component exposes functionality reachable over HTTP without authentication controls sufficient to prevent unauthorized data access and modification. See the Oracle Security Alert CSPUAUG2026 for vendor-published details.

Attack Vector

An attacker with network access to the Hyperion Profitability and Cost Management HTTP endpoints sends crafted requests to the Deployment component. Because no authentication is required and attack complexity is low, exploitation is straightforward once the endpoint is reachable. Internet-exposed or improperly segmented deployments are at highest risk.

// No verified public proof-of-concept is available.
// Refer to the Oracle Security Alert CSPUAUG2026 for vendor guidance.

Detection Methods for CVE-2026-70730

Indicators of Compromise

Unexpected HTTP requests to Oracle Hyperion Profitability and Cost Management Deployment endpoints from untrusted source addresses.
Unauthorized creation, modification, or deletion of Hyperion application artifacts, models, or deployment configurations.
Access to Hyperion data outside of scheduled batch or user activity windows.

Detection Strategies

Enable verbose HTTP access logging on the Hyperion web tier and forward logs to a centralized analytics platform for review.
Correlate Hyperion application audit events with authenticated user sessions to identify actions performed without a valid session context.
Baseline normal Deployment component traffic patterns and alert on anomalous request volumes or unusual request paths.

Monitoring Recommendations

Monitor the reverse proxy or load balancer fronting Hyperion for requests targeting Deployment URIs from non-administrative networks.
Track integrity of Hyperion configuration files, application definitions, and cost model metadata using file integrity monitoring.
Alert on new administrative or deployment operations occurring outside change management windows.

How to Mitigate CVE-2026-70730

Immediate Actions Required

Apply the Oracle Critical Patch Update referenced in the Oracle Security Alert CSPUAUG2026 to all affected Hyperion Profitability and Cost Management instances.
Restrict network access to the Hyperion HTTP interface so that only authorized administrative networks can reach the Deployment component.
Audit Hyperion data and configuration for signs of unauthorized modification since the vulnerability's publication.

Patch Information

Oracle addressed this issue as part of the Oracle Critical Security Patch Update advisory published on 2026-08-18. Administrators should apply the patch bundle documented in the Oracle Security Alert CSPUAUG2026 to version 11.2.25.0.000 and verify successful deployment.

Workarounds

Place the Hyperion HTTP endpoints behind a VPN or zero-trust access proxy that enforces authentication before requests reach the application.
Use network access control lists on the web tier to allow HTTP traffic only from vetted internal ranges until patching is complete.
Disable or remove exposure of the Deployment component to untrusted networks where operationally feasible.

bash

# Example: restrict access to Hyperion HTTP endpoints via iptables
iptables -A INPUT -p tcp --dport 19000 -s 10.10.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 19000 -j DROP