CVE-2026-70918: Oracle Product Hub Auth Bypass Vulnerability

CVE-2026-70918 Overview

CVE-2026-70918 is a high-severity vulnerability in the Oracle Product Hub component of Oracle E-Business Suite. The flaw resides in the Outbound Data component and affects supported versions 12.2.3 through 12.2.15. A low-privileged attacker with network access via HTTP can exploit the issue to compromise Oracle Product Hub. Successful exploitation results in full takeover of the affected product, impacting confidentiality, integrity, and availability. The weakness is categorized under [CWE-306: Missing Authentication for Critical Function].

Critical Impact
Successful exploitation grants an attacker complete takeover of Oracle Product Hub, exposing sensitive product master data and enabling manipulation of enterprise supply chain records.

Affected Products

Oracle E-Business Suite — Oracle Product Hub 12.2.3
Oracle E-Business Suite — Oracle Product Hub versions 12.2.4 through 12.2.14
Oracle E-Business Suite — Oracle Product Hub 12.2.15

Discovery Timeline

2026-08-18 - CVE-2026-70918 published to the National Vulnerability Database (NVD)
2026-08-22 - Last updated in NVD database

Technical Details for CVE-2026-70918

Vulnerability Analysis

The vulnerability affects the Outbound Data component of Oracle Product Hub, which handles the export and distribution of product master records to downstream systems. An authenticated attacker holding only low-level privileges can send crafted HTTP requests to trigger the flaw. Because the attack requires no user interaction and executes over the network with low complexity, exploitation is straightforward once network access to the application server is established. The result is full compromise of Oracle Product Hub, including read and write access to product data used across Oracle E-Business Suite.

Root Cause

Oracle classifies the underlying weakness as [CWE-306: Missing Authentication for Critical Function]. The Outbound Data component exposes functionality that should require stronger authorization checks but instead accepts requests from any authenticated session with minimal privileges. This gap allows an attacker to invoke sensitive operations that were designed to be restricted to administrative users.

Attack Vector

Exploitation proceeds over HTTP against the Oracle E-Business Suite web tier. An attacker with valid low-privileged credentials submits requests to the vulnerable Outbound Data endpoints. Since the scope is unchanged and the impact spans confidentiality, integrity, and availability, the attacker gains the ability to read, modify, and disrupt Product Hub data. Oracle has not published exploit code, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog. Refer to the Oracle Security Alert for vendor-supplied technical detail.

Detection Methods for CVE-2026-70918

Indicators of Compromise

Unexpected HTTP requests to Oracle Product Hub Outbound Data endpoints originating from low-privileged accounts.
Anomalous outbound data exports or bulk record retrievals outside of scheduled integration windows.
New or unexpected administrative changes to Product Hub records tied to non-administrative user sessions.

Detection Strategies

Review Oracle E-Business Suite application and access logs for repeated requests to Outbound Data URLs from accounts that do not typically use them.
Correlate authentication events with subsequent privileged operations in Product Hub to surface privilege mismatches.
Baseline normal Outbound Data traffic volumes and alert on deviations that suggest scripted enumeration or bulk export.

Monitoring Recommendations

Enable verbose auditing on Oracle Product Hub Outbound Data transactions and forward logs to a centralized SIEM.
Monitor web application firewall telemetry for HTTP request patterns targeting Product Hub endpoints from unusual source addresses.
Track changes to product master records and export jobs, and alert on modifications initiated by accounts without a documented change ticket.

How to Mitigate CVE-2026-70918

Immediate Actions Required

Apply the Oracle Critical Patch Update referenced in the August 2026 Oracle Security Alert to all affected Oracle E-Business Suite environments.
Inventory all Oracle Product Hub deployments running versions 12.2.3 through 12.2.15 and prioritize patching internet-reachable instances.
Rotate credentials for low-privileged Oracle E-Business Suite accounts and review recent Product Hub activity for signs of abuse.

Patch Information

Oracle addressed CVE-2026-70918 in the August 2026 Critical Patch Update. Administrators should download the patch bundle from My Oracle Support and follow Oracle's documented apply procedure for the Product Hub component. Consult the Oracle Security Alert for the specific patch identifiers and version mapping.

Workarounds

Restrict HTTP access to Oracle E-Business Suite web tiers using network segmentation, VPN, or IP allow-listing until the patch is deployed.
Disable or tightly restrict the Outbound Data functions in Oracle Product Hub for user roles that do not require them.
Enforce least privilege on Oracle E-Business Suite accounts and remove standing access from users who do not actively work with Product Hub.

bash

# Example: restrict access to the Oracle E-Business Suite web tier at the network edge
# Replace 10.0.0.0/24 with the trusted management subnet for Product Hub administrators
iptables -A INPUT -p tcp --dport 8000 -s 10.0.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP