CVE-2026-62466: Oracle E-Business Suite Privilege Escalation

CVE-2026-62466 Overview

CVE-2026-62466 affects the Oracle Human Resources product of Oracle E-Business Suite, specifically the Data Removal Tool component. Supported versions 12.2.3 through 12.2.15 are affected. The vulnerability allows a high privileged attacker with network access via HTTP to compromise Oracle Human Resources, resulting in complete takeover of the application. The flaw is categorized under [CWE-284] Improper Access Control.

Critical Impact
Successful exploitation results in full takeover of Oracle Human Resources, compromising the confidentiality, integrity, and availability of sensitive HR data.

Affected Products

Oracle E-Business Suite, Oracle Human Resources 12.2.3 through 12.2.15
Data Removal Tool component
Deployments exposing Oracle E-Business Suite over HTTP

Discovery Timeline

2026-07-21 - CVE-2026-62466 published to NVD
2026-07-22 - Last updated in NVD database

Technical Details for CVE-2026-62466

Vulnerability Analysis

The vulnerability resides in the Data Removal Tool of Oracle Human Resources, part of Oracle E-Business Suite. The attack vector is network-based over HTTP, with low attack complexity and no user interaction required. However, an attacker must already possess high privileges within the application before exploiting the flaw.

Successful exploitation grants full control over the Oracle Human Resources application. Attackers can read, modify, and delete sensitive HR records, including employee personal data, compensation information, and organizational structures. The scope remains unchanged, meaning the impact is confined to the vulnerable component itself.

Root Cause

The underlying weakness is Improper Access Control [CWE-284]. The Data Removal Tool does not correctly enforce authorization boundaries for privileged operations. An authenticated user with elevated privileges can invoke functionality that should be further restricted, enabling actions beyond the intended scope.

Attack Vector

An attacker with high-privileged authenticated access sends crafted HTTP requests to the Data Removal Tool endpoint. Because the component fails to validate access rights properly, the attacker escalates control to fully compromise Oracle Human Resources. No user interaction is required, and the exploitation complexity is low.

No public exploit code or proof-of-concept is available at this time. Refer to the Oracle Security Alert July 2026 for authoritative technical details.

Detection Methods for CVE-2026-62466

Indicators of Compromise

Unexpected HTTP requests targeting the Oracle E-Business Suite Data Removal Tool endpoints from high-privileged accounts.
Anomalous invocations of data removal operations outside of scheduled maintenance windows.
Unauthorized modification or deletion of Human Resources records in Oracle E-Business Suite database tables.

Detection Strategies

Enable and review Oracle E-Business Suite audit logs for Data Removal Tool activity, correlating actions with user privilege levels.
Baseline normal administrative behavior and flag deviations, such as new source IPs invoking privileged HR functions.
Monitor web server access logs for uncommon HTTP request patterns to /OA_HTML/ and Data Removal Tool URLs.

Monitoring Recommendations

Alert on privileged user sessions originating from unusual geolocations or during off-hours.
Track database changes to HR schemas and generate notifications on bulk record deletion events.
Forward Oracle E-Business Suite application, database, and web tier logs to a centralized SIEM for correlation across sources.

How to Mitigate CVE-2026-62466

Immediate Actions Required

Apply the Oracle Critical Patch Update from the Oracle Security Alert July 2026 to all affected Oracle E-Business Suite deployments.
Inventory all Oracle Human Resources instances running versions 12.2.3 through 12.2.15 and prioritize patching internet-facing systems.
Rotate credentials for high-privileged Oracle E-Business Suite accounts and review recent privileged session activity.

Patch Information

Oracle published fixes as part of the July 2026 Critical Patch Update. Administrators should download the applicable patch from My Oracle Support and follow Oracle's documented installation procedure for Oracle E-Business Suite 12.2. Refer to the Oracle Security Alert July 2026 for patch numbers and application steps.

Workarounds

Restrict network access to Oracle E-Business Suite management interfaces through firewall rules and VPN-only access.
Apply the principle of least privilege by reducing the number of accounts granted high privileges within Oracle Human Resources.
Enforce multi-factor authentication for all administrative accounts accessing Oracle E-Business Suite.

bash

# Example firewall rule restricting HTTP access to Oracle E-Business Suite
iptables -A INPUT -p tcp --dport 8000 -s 10.0.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP