CVE-2026-62496: Oracle Yard Management RCE Vulnerability

CVE-2026-62496 Overview

CVE-2026-62496 is a privilege-related vulnerability in the Oracle Yard Management product of Oracle E-Business Suite, within the Internal Operations component. The flaw affects supported versions 12.2.6 through 12.2.15. An attacker with low privileges and network access via HTTP can exploit the weakness to compromise Oracle Yard Management. Successful exploitation results in full takeover of the application, impacting confidentiality, integrity, and availability. The vulnerability maps to [CWE-269] Improper Privilege Management.

Critical Impact
A low-privileged remote attacker can take over Oracle Yard Management deployments over HTTP without user interaction, exposing sensitive supply chain and yard operations data.

Affected Products

Oracle E-Business Suite - Oracle Yard Management 12.2.6
Oracle E-Business Suite - Oracle Yard Management versions 12.2.7 through 12.2.14
Oracle E-Business Suite - Oracle Yard Management 12.2.15

Discovery Timeline

2026-07-21 - CVE-2026-62496 published to NVD
2026-07-22 - Last updated in NVD database

Technical Details for CVE-2026-62496

Vulnerability Analysis

CVE-2026-62496 resides in the Internal Operations component of Oracle Yard Management, part of Oracle E-Business Suite. The vulnerability is classified under [CWE-269] Improper Privilege Management, indicating the application fails to correctly enforce authorization boundaries between user roles. An authenticated user with minimal privileges can perform operations reserved for higher-privileged roles.

Because the attack is delivered over HTTP and requires no user interaction, exploitation can be automated against internet-exposed E-Business Suite instances. Oracle categorizes the impact as full takeover of the Yard Management module. This exposes logistics data, warehouse coordination workflows, and integrations with adjacent E-Business Suite modules to unauthorized modification.

The EPSS score is 0.266% with a percentile of 18.565, suggesting limited observed exploitation activity at the time of publication. No public proof-of-concept or CISA KEV listing exists as of the publication date.

Root Cause

The root cause is improper privilege enforcement within the Internal Operations code path. Authorization checks either evaluate insufficient context or trust client-supplied parameters when determining whether the caller may execute privileged operations. This allows a low-privileged session to escalate access within the Yard Management application scope.

Attack Vector

The attack vector is network-based over HTTP. An attacker must possess valid low-privileged credentials to Oracle E-Business Suite. Once authenticated, the attacker sends crafted HTTP requests to Yard Management endpoints in the Internal Operations component. The requests bypass privilege checks and execute functions that grant control over the module.

No verified exploit code is publicly available. Refer to the Oracle Security Alert July 2026 for vendor-supplied technical context.

Detection Methods for CVE-2026-62496

Indicators of Compromise

Unexpected HTTP requests from low-privileged accounts to Yard Management Internal Operations endpoints under /OA_HTML/ paths.
Sudden creation or modification of yard, dock, or load records by accounts without operational responsibilities.
Session activity from anomalous source IPs authenticating to E-Business Suite outside expected geographies or business hours.

Detection Strategies

Review Oracle E-Business Suite audit logs (FND_LOGIN_RESPONSIBILITIES, FND_LOG_MESSAGES) for privilege changes originating from non-administrative users.
Correlate HTTP access logs on the E-Business Suite web tier with responsibility assignments to identify users invoking functions outside their assigned roles.
Monitor database-level activity for INSERT or UPDATE statements against Yard Management tables issued by application sessions tied to low-privileged users.

Monitoring Recommendations

Enable and centralize FND_LOG at the STATEMENT level for Yard Management responsibilities to capture privilege evaluations.
Forward Oracle HTTP Server (OHS) access logs to a SIEM or data lake for anomaly detection on /OA_HTML/OA.jsp and /OA_HTML/RF.jsp requests referencing Yard Management functions.
Alert on any deviation from a baseline of authorized users interacting with Internal Operations forms and REST endpoints.

How to Mitigate CVE-2026-62496

Immediate Actions Required

Apply the Oracle Critical Patch Update from July 2026 to all Oracle E-Business Suite environments running Yard Management 12.2.6 through 12.2.15.
Restrict network access to Oracle E-Business Suite web tiers so only trusted corporate networks or VPN clients can reach /OA_HTML/ endpoints.
Audit and remove unnecessary Yard Management responsibilities assigned to non-operational users to reduce the pool of accounts that can attempt exploitation.

Patch Information

Oracle addressed CVE-2026-62496 in the July 2026 Critical Patch Update. Details and download links are available in the Oracle Security Alert July 2026. Administrators should follow Oracle's documented patch application procedure for E-Business Suite 12.2, including running adop in hotpatch or online patching mode as appropriate for the environment.

Workarounds

Place the E-Business Suite web tier behind a web application firewall configured to inspect and rate-limit requests to Yard Management URLs.
Temporarily disable the Yard Management responsibility for users who do not require it until the patch is applied.
Enforce strong password policies and multi-factor authentication for all E-Business Suite accounts to raise the cost of obtaining the low-privileged foothold required for exploitation.

bash

# Example: apply the July 2026 CPU using adop online patching
$ source $EBS_APPS_ENV
$ adop phase=prepare
$ adop phase=apply patches=<CPU_JUL2026_PATCH_ID> hotpatch=no
$ adop phase=finalize
$ adop phase=cutover
$ adop phase=cleanup