CVE-2026-83194 Overview
CVE-2026-83194 is a privilege management vulnerability [CWE-269] in the Oracle Depot Repair product of Oracle E-Business Suite. The flaw affects the Internal Operations component in supported versions 12.2.10 through 12.2.15. A low-privileged attacker with network access via HTTP can exploit the vulnerability to compromise the Oracle Depot Repair module. Successful exploitation results in full takeover of Oracle Depot Repair, impacting confidentiality, integrity, and availability.
Critical Impact
Authenticated attackers can achieve complete takeover of Oracle Depot Repair over the network, exposing repair records, customer data, and internal operational workflows.
Affected Products
- Oracle E-Business Suite — Oracle Depot Repair 12.2.10
- Oracle E-Business Suite — Oracle Depot Repair versions 12.2.11 through 12.2.14
- Oracle E-Business Suite — Oracle Depot Repair 12.2.15
Discovery Timeline
- 2026-09-15 - CVE-2026-83194 published to NVD
- 2026-09-17 - Last updated in NVD database
Technical Details for CVE-2026-83194
Vulnerability Analysis
The vulnerability resides in the Internal Operations component of Oracle Depot Repair, a module of Oracle E-Business Suite used to manage repair orders and service workflows. An attacker holding low-level application privileges can send crafted HTTP requests to invoke functionality beyond their assigned role. Because the module fails to properly enforce privilege boundaries [CWE-269], successful requests grant the attacker administrative control over the Depot Repair application.
Oracle rates the flaw with a base score of 8.8, reflecting high impact across confidentiality, integrity, and availability. The exploitation prerequisites are minimal: network reachability to the E-Business Suite HTTP interface and any valid authenticated session. The Exploit Prediction Scoring System (EPSS) score is 0.479% with a percentile of 40.265 as of 2026-09-16.
Root Cause
The root cause is improper privilege management within the Depot Repair Internal Operations component. The application does not consistently validate that the requesting user holds the authorization required for privileged actions. This gap allows low-privileged accounts to invoke functions reserved for higher-privileged operators.
Attack Vector
Exploitation occurs over the network through the standard HTTP interface exposed by Oracle E-Business Suite. The attacker authenticates with any low-privileged application account and then issues requests targeting protected Depot Repair operations. No user interaction is required, and the scope remains unchanged, meaning the compromise is contained to the vulnerable component but grants full control of it. Refer to the Oracle Security Alert for vendor technical details.
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Stop Exploit AttemptsDetection Methods for CVE-2026-83194
Indicators of Compromise
- Unexpected privileged actions in Oracle Depot Repair audit logs performed by accounts that normally hold only end-user roles.
- HTTP requests to Depot Repair Internal Operations endpoints originating from user sessions without corresponding role assignments.
- Sudden modifications to repair orders, service records, or workflow configurations outside normal business processes.
Detection Strategies
- Enable and review Oracle E-Business Suite FND audit logging for the Depot Repair responsibility and Internal Operations forms.
- Correlate authentication events with subsequent privileged transactions to identify role-to-action mismatches.
- Alert on HTTP POST requests to Depot Repair servlets from sessions associated with low-privileged application accounts.
Monitoring Recommendations
- Forward Oracle E-Business Suite application and database audit logs to a centralized SIEM for correlation across identity and application layers.
- Monitor Oracle HTTP Server access logs for anomalous request patterns targeting /OA_HTML/ endpoints tied to Depot Repair.
- Track changes to FND_USER, responsibility assignments, and Depot Repair configuration tables for unauthorized modifications.
How to Mitigate CVE-2026-83194
Immediate Actions Required
- Apply the Oracle Critical Patch Update referenced in the Oracle Security Alert to all affected Oracle E-Business Suite 12.2.10 through 12.2.15 environments.
- Inventory all user accounts with access to Oracle Depot Repair responsibilities and remove unnecessary assignments.
- Restrict network access to the Oracle E-Business Suite HTTP interface to trusted internal networks and VPN clients.
Patch Information
Oracle addressed CVE-2026-83194 in the Critical Patch Update published in the Oracle Security Alert for September 2026. Administrators should download the applicable patch for Oracle E-Business Suite 12.2.10 through 12.2.15 and apply it following Oracle's standard patching procedure with adop in online or downtime mode.
Workarounds
- Temporarily revoke the Depot Repair responsibility from non-essential users until the patch is deployed.
- Place the Oracle E-Business Suite HTTP interface behind a web application firewall with rules that block unauthenticated or anomalous requests to Depot Repair endpoints.
- Increase audit log retention and review cadence for Depot Repair transactions during the exposure window.
# Example: apply Oracle E-Business Suite patch using adop
# Replace <PATCH_NUMBER> with the CPU patch identifier from the Oracle Security Alert
source $APPL_TOP/APPS<CONTEXT_NAME>.env
adop phase=prepare
adop phase=apply patches=<PATCH_NUMBER> workers=8
adop phase=finalize
adop phase=cutover
adop phase=cleanup
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
