CVE-2026-70680: Oracle E-Business Suite Auth Bypass Flaw

CVE-2026-70680 Overview

CVE-2026-70680 affects the Oracle Applications DBA product within Oracle E-Business Suite. The flaw resides in the Internal Operations component and impacts supported versions 12.2.3 through 12.2.15. A low-privileged attacker with network access over HTTP can exploit this weakness without user interaction.

Successful exploitation grants unauthorized read access to all data accessible by Oracle Applications DBA. Attackers can also trigger a partial denial of service against the affected component. The weakness is categorized under CWE-284: Improper Access Control.

Critical Impact
Authenticated network attackers can access sensitive Oracle Applications DBA data and degrade component availability without user interaction.

Affected Products

Oracle E-Business Suite 12.2.3 through 12.2.15
Oracle Applications DBA (Internal Operations component)
Deployments exposing Oracle E-Business Suite over HTTP

Discovery Timeline

2026-08-18 - CVE-2026-70680 published to the National Vulnerability Database
2026-08-20 - CVE record last modified in NVD

Technical Details for CVE-2026-70680

Vulnerability Analysis

The vulnerability stems from improper access control in the Internal Operations component of Oracle Applications DBA. An attacker holding low-level credentials can send crafted HTTP requests to the affected endpoints. The application fails to enforce authorization boundaries on protected operations.

Exploitation is straightforward and does not require elevated privileges or user interaction. Confidentiality impact is high because the attacker can retrieve all data accessible to the Applications DBA component. Availability impact is limited to a partial denial of service against the same component. Integrity is not directly affected by this weakness.

Root Cause

The root cause is improper access control [CWE-284] in a network-facing HTTP interface of Oracle Applications DBA. Authorization checks are missing or insufficient on operations that should be restricted to privileged administrators. Any authenticated user in the environment can therefore reach functionality intended for higher-trust roles.

Attack Vector

The attack vector is network-based over HTTP. An attacker needs valid low-privileged credentials to Oracle E-Business Suite. The attacker issues requests to the exposed Internal Operations endpoints of Oracle Applications DBA to retrieve data or disrupt operations. Oracle has not published exploitation details, and no public proof-of-concept is available. Refer to the Oracle Security Alert for CVE-2026-70680 for vendor guidance.

Detection Methods for CVE-2026-70680

Indicators of Compromise

Unusual HTTP requests from low-privileged user sessions targeting Oracle Applications DBA Internal Operations endpoints
Unexpected data export or bulk-read patterns against Applications DBA-managed tables
Repeated errors or partial service disruptions localized to the Applications DBA component

Detection Strategies

Correlate authentication logs with Oracle E-Business Suite access logs to identify low-privileged accounts accessing DBA-scoped URLs
Baseline normal Applications DBA administrative traffic and alert on deviations in source accounts or request volume
Monitor Oracle audit trails (FND_LOG_MESSAGES, FND_UNSUCCESSFUL_LOGINS) for anomalous privileged operations

Monitoring Recommendations

Enable verbose HTTP access logging on the Oracle E-Business Suite application tier and forward to a centralized SIEM
Alert on any HTTP 200 responses to Internal Operations endpoints originating from non-administrator role sessions
Track EPSS score movement for CVE-2026-70680 (currently 0.364%) as an indicator of emerging exploit activity

How to Mitigate CVE-2026-70680

Immediate Actions Required

Apply the Oracle Critical Patch Update referenced in the Oracle Security Alert August 2026 to all Oracle E-Business Suite 12.2.3-12.2.15 instances
Restrict network access to Oracle Applications DBA endpoints to trusted administrative networks
Review and reduce the number of low-privileged accounts that can authenticate to the E-Business Suite HTTP tier

Patch Information

Oracle addressed CVE-2026-70680 in the August 2026 Critical Security Patch Update. Administrators should review the Oracle Security Alert for the exact patch numbers applicable to their E-Business Suite 12.2.x release. Apply the patch to all application tier and database tier nodes, then validate service functionality in a staging environment before production rollout.

Workarounds

Place Oracle E-Business Suite behind a reverse proxy or web application firewall that enforces role-based access to Internal Operations URLs
Disable or restrict access to the Applications DBA Internal Operations endpoints when they are not required for daily operations
Rotate credentials for low-privileged E-Business Suite accounts and enforce multi-factor authentication where supported

bash

# Example: restrict access to Applications DBA endpoints at the reverse proxy layer
# Apache httpd configuration snippet
<Location "/OA_HTML/AppsDBA">
    Require ip 10.0.10.0/24
    Require ip 10.0.20.0/24
    AuthType Basic
    AuthName "Restricted DBA Operations"
    Require valid-user
</Location>