CVE-2026-46918: Oracle E-Business Suite Privilege Escalation

CVE-2026-46918 Overview

CVE-2026-46918 is a critical vulnerability in the Oracle Process Manufacturing Product Development product of Oracle E-Business Suite, affecting the Internal Operations component. The flaw impacts supported versions 12.2.3 through 12.2.15. A low-privileged attacker with network access via HTTP can exploit this weakness without user interaction. Successful exploitation results in full takeover of Oracle Process Manufacturing Product Development. The vulnerability carries a scope change, meaning attacks can significantly impact additional Oracle products beyond the vulnerable component. Oracle disclosed the issue through its Oracle Security Alert advisory. The weakness is categorized under [CWE-284] (Improper Access Control).

Critical Impact
Authenticated network attackers can achieve complete compromise of confidentiality, integrity, and availability across Oracle E-Business Suite with a scope change extending impact to additional products.

Affected Products

Oracle E-Business Suite – Oracle Process Manufacturing Product Development version 12.2.3
Oracle E-Business Suite – Oracle Process Manufacturing Product Development versions 12.2.4 through 12.2.14
Oracle E-Business Suite – Oracle Process Manufacturing Product Development version 12.2.15

Discovery Timeline

2026-06-17 - CVE-2026-46918 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2026-46918

Vulnerability Analysis

The vulnerability resides in the Internal Operations component of Oracle Process Manufacturing Product Development. Oracle classifies the flaw as easily exploitable over the network via HTTP. An attacker only needs low-privileged authenticated access to the application to launch the attack. No user interaction is required to complete exploitation.

A scope change is present, meaning the vulnerable component can affect resources beyond its own security authority. Once exploited, the attacker achieves full takeover of Oracle Process Manufacturing Product Development and can impact additional integrated Oracle E-Business Suite modules. The high confidentiality, integrity, and availability impacts allow data theft, record tampering, and service disruption across affected systems.

Root Cause

The root cause maps to [CWE-284] Improper Access Control. The Internal Operations component fails to enforce access restrictions consistently for authenticated users. This weakness allows a low-privileged account to invoke functionality or reach resources that should be limited to higher-privileged roles. The improper authorization boundary enables privilege escalation and cross-component impact within the E-Business Suite stack.

Attack Vector

Attackers exploit the flaw remotely over HTTP after authenticating with low-level credentials. Typical attack paths involve sending crafted HTTP requests to exposed Oracle E-Business Suite endpoints serving the Process Manufacturing Product Development module. Because the attack complexity is low and no user interaction is needed, exploitation can be automated at scale. The Oracle Security Alert publishes the patch and configuration guidance; consult the Oracle Security Alert for full details.

No public proof-of-concept code has been released. Oracle has not flagged this CVE as exploited in the wild, and it is not listed in the CISA Known Exploited Vulnerabilities catalog at the time of publication.

Detection Methods for CVE-2026-46918

Indicators of Compromise

Unexpected HTTP requests to Oracle Process Manufacturing Product Development URLs originating from low-privileged user sessions.
Audit log entries showing access to Internal Operations functions by accounts outside the expected administrative role.
New or modified records in Process Manufacturing tables created by accounts without business justification.
Outbound connections or cross-module data access from the EBS application tier shortly after suspicious HTTP requests.

Detection Strategies

Enable Oracle E-Business Suite Sign-On Audit and Page Access Tracking, then alert on access to Internal Operations URLs by accounts lacking the corresponding responsibility.
Inspect web tier access logs (access_log.xxxx) for anomalous request patterns targeting Process Manufacturing endpoints.
Correlate database audit data for privileged operations executed by sessions originating from low-privileged application users.

Monitoring Recommendations

Forward EBS application, concurrent manager, and database audit logs to a central SIEM for behavioral analysis.
Baseline normal usage of the Process Manufacturing Product Development module and alert on deviations in volume, source IP, or user role.
Monitor for newly created database users, role grants, or scheduled concurrent programs following any suspicious access to Internal Operations.

How to Mitigate CVE-2026-46918

Immediate Actions Required

Apply the Oracle Critical Patch Update referenced in the Oracle Security Alert for the June 2026 cycle to all affected EBS environments.
Inventory all Oracle E-Business Suite instances running versions 12.2.3 through 12.2.15 and prioritize internet-exposed systems for immediate patching.
Audit user accounts with access to Process Manufacturing Product Development responsibilities and remove unnecessary privileges.
Rotate credentials for accounts that may have had exposure to vulnerable endpoints before patching.

Patch Information

Oracle released the fix as part of the June 2026 Critical Patch Update. Administrators should download and apply the patch identified in the Oracle Security Alert advisory. After patching, validate the EBS environment using Oracle's recommended post-installation verification steps and confirm the affected component reports a patched version.

Workarounds

Restrict network access to the EBS application tier so that only trusted internal networks or VPN clients can reach HTTP endpoints.
Disable or remove unused Process Manufacturing Product Development responsibilities from user accounts until patching is complete.
Place a web application firewall in front of EBS to block anomalous requests to Internal Operations URLs.
Enforce strong authentication and session controls to reduce the population of low-privileged accounts that could be abused.

bash

# Configuration example: restrict EBS HTTP endpoint exposure at the network edge
# Example iptables rule limiting access to the EBS application tier to a trusted subnet
iptables -A INPUT -p tcp --dport 8000 -s 10.10.0.0/16 -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP