CVE-2026-61269: Oracle Product Workbench Auth Bypass Flaw

CVE-2026-61269 Overview

CVE-2026-61269 is an access control weakness [CWE-284] in the Oracle Product Workbench component of Oracle E-Business Suite. The flaw exists in the WebUI module and affects supported versions 12.2.3 through 12.2.15. An authenticated attacker with low privileges can exploit the issue over HTTP to compromise the application. Successful exploitation allows unauthorized update, insert, or delete operations against a subset of Product Workbench data, unauthorized read access to some data, and a partial denial of service condition. Oracle published details in the July 2026 Critical Patch Update.

Critical Impact
Authenticated network-based attackers can modify, read, or delete a subset of Oracle Product Workbench data and cause partial denial of service against the application.

Affected Products

Oracle E-Business Suite - Oracle Product Workbench 12.2.3 through 12.2.15
Component: WebUI
Deployment: On-premises Oracle E-Business Suite environments exposing Product Workbench over HTTP

Discovery Timeline

2026-07-21 - CVE-2026-61269 published to NVD
2026-07-22 - Last updated in NVD database
July 2026 - Addressed in the Oracle Security Alert July 2026

Technical Details for CVE-2026-61269

Vulnerability Analysis

The vulnerability resides in the WebUI component of Oracle Product Workbench, part of Oracle E-Business Suite. Oracle classifies the issue as easily exploitable over the network by an attacker holding low-privilege application credentials. No user interaction is required to trigger the flaw.

Successful exploitation yields three concurrent impacts. The attacker gains unauthorized update, insert, or delete access to a subset of Product Workbench data. The attacker also obtains unauthorized read access to a subset of accessible data. Finally, the attacker can induce a partial denial of service against Product Workbench functionality.

Because Product Workbench manages product master data used across manufacturing, supply chain, and procurement workflows, unauthorized data modification can propagate into downstream E-Business Suite modules. The scope remains unchanged, meaning impact is confined to the Product Workbench security authority.

Root Cause

The issue is categorized under [CWE-284] Improper Access Control. The WebUI component fails to adequately enforce authorization checks on privileged operations, allowing a low-privileged authenticated user to invoke actions that should be restricted to higher-privileged roles.

Attack Vector

Exploitation requires HTTP access to the Oracle E-Business Suite Product Workbench interface and a valid low-privilege application account. The attacker crafts requests against WebUI endpoints to invoke operations outside their intended authorization scope. Oracle has not published exploitation code, and no public proof-of-concept exists at the time of writing. Refer to the Oracle Critical Patch Update Advisory - July 2026 for vendor technical guidance.

Detection Methods for CVE-2026-61269

Indicators of Compromise

Unexpected HTTP requests to Oracle Product Workbench WebUI endpoints originating from accounts that do not typically use the module.
Audit log entries showing insert, update, or delete operations on Product Workbench tables by low-privilege application users.
Elevated error rates or slow response times in Product Workbench indicating partial denial of service.

Detection Strategies

Enable and centralize Oracle E-Business Suite FND sign-on and page-access auditing to correlate user activity with Product Workbench transactions.
Baseline normal Product Workbench request patterns per user role and alert on deviations, especially write operations from read-only role holders.
Correlate application-tier HTTP access logs with database-tier audit records to identify unauthorized data mutations.

Monitoring Recommendations

Monitor the Oracle HTTP Server access logs for anomalous POST or PUT requests to Product Workbench URIs.
Track failed authorization events and privilege check failures reported by the E-Business Suite security framework.
Alert on bulk record modifications in Product Workbench master data tables outside of change windows.

How to Mitigate CVE-2026-61269

Immediate Actions Required

Apply the July 2026 Oracle Critical Patch Update for Oracle E-Business Suite to all Product Workbench instances running versions 12.2.3 through 12.2.15.
Review and reduce the population of low-privilege accounts that hold any Product Workbench responsibility until patching completes.
Restrict network exposure of the E-Business Suite WebUI to trusted internal networks and VPN users.

Patch Information

Oracle released the fix in the July 2026 Critical Patch Update. Administrators should download the applicable patch from My Oracle Support and follow the version-specific application instructions in the Oracle Security Alert July 2026. Regression-test Product Workbench workflows in a non-production environment before deploying to production.

Workarounds

Temporarily revoke the Product Workbench responsibility from non-essential low-privilege user accounts.
Place the E-Business Suite WebUI behind a web application firewall and restrict access to Product Workbench URIs by source IP and authenticated identity.
Increase audit log retention and review frequency for Product Workbench transactions until the patch is deployed.

bash

# Example: revoke a Product Workbench responsibility from a user via FNDLOAD
FNDLOAD apps/<password> 0 Y UPLOAD $FND_TOP/patch/115/import/afscursp.lct \
  user_resp_revoke.ldt - UPLOAD_MODE=REPLACE CUSTOM_MODE=FORCE