CVE-2026-70692: Oracle Marketing Auth Bypass Vulnerability

CVE-2026-70692 Overview

CVE-2026-70692 is a high-severity vulnerability in the Oracle Marketing Encyclopedia System component of Oracle E-Business Suite. The flaw resides in the Internal Operations component and affects supported versions 12.2.3 through 12.2.15. A low-privileged attacker with network access via HTTP can exploit the vulnerability to compromise Oracle Marketing Encyclopedia System. The scope-change characteristic means successful exploitation can impact additional Oracle products beyond the vulnerable component. Successful attacks result in unauthorized access to critical data or complete access to all data accessible through Oracle Marketing Encyclopedia System.

Critical Impact
A low-privileged remote attacker can access all data within Oracle Marketing Encyclopedia System and impact adjacent Oracle E-Business Suite components through scope change.

Affected Products

Oracle E-Business Suite - Oracle Marketing Encyclopedia System 12.2.3
Oracle E-Business Suite - Oracle Marketing Encyclopedia System versions 12.2.4 through 12.2.14
Oracle E-Business Suite - Oracle Marketing Encyclopedia System 12.2.15

Discovery Timeline

2026-08-18 - CVE CVE-2026-70692 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-70692

Vulnerability Analysis

The vulnerability affects the Internal Operations component of Oracle Marketing Encyclopedia System within Oracle E-Business Suite. Exploitation requires only network access over HTTP and a low-privileged authenticated account. The confidentiality impact is high, while integrity and availability are unaffected. The scope change indicates the vulnerable component can affect resources managed by other security authorities within the Oracle E-Business Suite deployment. This classifies the issue as an Information Disclosure vulnerability with cross-component impact.

Root Cause

Oracle has not published detailed root-cause information for this issue. The advisory identifies the defect within the Internal Operations component of Oracle Marketing Encyclopedia System and describes the outcome as unauthorized read access to sensitive data. Refer to the Oracle Security Alert for vendor-provided technical context and patch metadata.

Attack Vector

The attack is delivered over the network via HTTP. The attacker requires low privileges but no user interaction. Attack complexity is low, meaning no specialized conditions are required. Because the vulnerability results in scope change, the attacker can reach data or resources outside the security boundary of Oracle Marketing Encyclopedia System itself, potentially exposing information stored or processed by adjacent E-Business Suite modules.

No public proof-of-concept or exploit code has been observed. The current EPSS probability is 0.282% (percentile 20.8), indicating low near-term exploitation likelihood based on public signals.

Detection Methods for CVE-2026-70692

Indicators of Compromise

Unexpected HTTP requests to Oracle Marketing Encyclopedia System endpoints, particularly from accounts with only low-privilege application roles.
Bulk or sequential retrieval of records from Marketing Encyclopedia System resources outside typical business-hours patterns.
Cross-module data access anomalies where a Marketing Encyclopedia System session reaches resources associated with other Oracle E-Business Suite components.

Detection Strategies

Enable and review Oracle E-Business Suite Sign-On Audit and page access tracking to identify anomalous access to Marketing Encyclopedia System URLs.
Correlate web-tier access logs with authenticated user roles to surface low-privileged accounts requesting sensitive Marketing Encyclopedia System functions.
Baseline normal request volume per user and alert on statistical deviations against Marketing Encyclopedia System endpoints.

Monitoring Recommendations

Forward Oracle E-Business Suite application and Oracle HTTP Server access logs to a centralized analytics platform for retention and correlation.
Add alerting on HTTP 200 responses to sensitive Marketing Encyclopedia System endpoints from unauthorized or non-business user populations.
Track authentication and session activity for E-Business Suite service accounts and flag privilege escalation or cross-module traversal.

How to Mitigate CVE-2026-70692

Immediate Actions Required

Apply the Oracle Critical Patch Update referenced in the Oracle Security Alert to all Oracle E-Business Suite environments running versions 12.2.3 through 12.2.15.
Inventory user accounts with access to Oracle Marketing Encyclopedia System and remove entitlements that are not required for job function.
Restrict network exposure of Oracle E-Business Suite web tiers to trusted networks and VPN-authenticated users only.

Patch Information

Oracle addresses this vulnerability in the August 2026 Critical Patch Update. Administrators should consult the Oracle Security Alert for patch identifiers, prerequisites, and application procedures specific to their E-Business Suite version.

Workarounds

Disable the Oracle Marketing Encyclopedia System module in environments where it is not actively used, following Oracle-supported deprovisioning procedures.
Place a web application firewall in front of the E-Business Suite web tier and enforce strict allow-lists for Marketing Encyclopedia System URLs.
Enforce multi-factor authentication on all Oracle E-Business Suite user accounts to reduce the risk of low-privileged credential abuse.