CVE-2026-46912: Oracle JD Edwards Authentication Bypass

CVE-2026-46912 Overview

CVE-2026-46912 is a critical vulnerability in the Oracle JD Edwards EnterpriseOne Tools product, specifically within the Web Runtime Security component. The flaw affects supported versions 9.2.0.0 through 9.2.26.2. An unauthenticated attacker with network access via HTTP can exploit the issue without user interaction. Successful exploitation results in unauthorized access to critical data, complete disclosure of EnterpriseOne Tools accessible data, and limited unauthorized modification of data. The vulnerability carries a scope change, meaning attacks can impact additional products beyond JD Edwards EnterpriseOne Tools itself. The issue is classified under [CWE-200] (Exposure of Sensitive Information to an Unauthorized Actor).

Critical Impact
Unauthenticated remote attackers can compromise JD Edwards EnterpriseOne Tools over HTTP, exposing sensitive enterprise data and impacting adjacent systems through scope change.

Affected Products

Oracle JD Edwards EnterpriseOne Tools 9.2.0.0
Oracle JD Edwards EnterpriseOne Tools versions through 9.2.26.2
Web Runtime Security component of JD Edwards EnterpriseOne Tools

Discovery Timeline

2026-06-17 - CVE-2026-46912 published to NVD
2026-06-17 - Last updated in NVD database
June 2026 - Oracle releases security patch via Critical Security Patch Update

Technical Details for CVE-2026-46912

Vulnerability Analysis

The vulnerability resides in the Web Runtime Security component of Oracle JD Edwards EnterpriseOne Tools. The flaw is reachable over HTTP and requires no authentication, no privileges, and no user interaction. Oracle classifies the issue as easily exploitable, indicating a low attack complexity over the network. The scope change attribute signals that exploitation can affect resources beyond the vulnerable component itself, broadening the blast radius. Confidentiality impact is high while integrity impact is low, aligning with an information disclosure pattern that also allows limited data modification.

Root Cause

The vulnerability maps to [CWE-200], indicating improper restriction of access to sensitive information within the Web Runtime Security layer. Oracle has not published deep technical internals, but the classification points to insufficient enforcement of access controls on HTTP-exposed runtime resources. The Web Runtime Security component fails to properly authenticate or authorize requests before returning data accessible to JD Edwards EnterpriseOne Tools.

Attack Vector

Attackers reach the vulnerable component over the network using HTTP requests. No credentials or prior foothold are required. The attacker sends crafted requests to the JD Edwards EnterpriseOne Tools web interface to retrieve sensitive data or perform limited write operations. The scope change indicates exploitation may pivot into adjacent products integrated with the EnterpriseOne Tools deployment, including ERP modules and connected databases.

Oracle has not disclosed proof-of-concept code, and no public exploit is currently available. Refer to the Oracle Security Alert for vendor-supplied technical context.

Detection Methods for CVE-2026-46912

Indicators of Compromise

Unauthenticated HTTP or HTTPS requests to JD Edwards EnterpriseOne Tools web endpoints returning unexpectedly large response payloads.
Anomalous access patterns to Web Runtime Security endpoints from external IP addresses or non-business-hours sources.
HTTP requests to JD Edwards EnterpriseOne Tools URLs lacking valid session cookies or authentication headers but receiving HTTP 200 responses.

Detection Strategies

Review web server and application logs for requests to JD Edwards EnterpriseOne Tools endpoints from unauthenticated sessions.
Correlate HTTP access logs against authenticated user session records to identify unauthenticated data retrieval.
Apply web application firewall (WAF) rules that inspect HTTP traffic destined for JD Edwards EnterpriseOne Tools and alert on suspicious parameters.

Monitoring Recommendations

Forward JD Edwards EnterpriseOne Tools web tier and application server logs to a centralized SIEM for retention and correlation.
Monitor outbound data volumes from JD Edwards servers for spikes consistent with data exfiltration.
Alert on configuration changes, new administrative accounts, or unexpected write operations within EnterpriseOne Tools accessible data stores.

How to Mitigate CVE-2026-46912

Immediate Actions Required

Apply the Oracle Critical Security Patch Update referenced in the June 2026 advisory to all JD Edwards EnterpriseOne Tools instances running versions 9.2.0.0 through 9.2.26.2.
Restrict network exposure of JD Edwards EnterpriseOne Tools web interfaces to trusted networks, VPNs, or reverse proxies enforcing authentication.
Audit web server logs for unauthenticated requests to JD Edwards URLs since the system was first exposed.

Patch Information

Oracle addressed CVE-2026-46912 in the June 2026 Critical Security Patch Update. Administrators should consult the Oracle Security Alert for specific patch identifiers, supported upgrade paths, and post-installation validation steps. Versions newer than 9.2.26.2 contain the fix.

Workarounds

Place JD Edwards EnterpriseOne Tools behind a reverse proxy or WAF that enforces authentication before traffic reaches the Web Runtime Security component.
Implement IP allow-listing on perimeter firewalls to restrict HTTP access to known administrative and user networks.
Disable or block external internet exposure of EnterpriseOne Tools web endpoints until patching completes.

bash

# Example: restrict access to JD Edwards EnterpriseOne Tools at the firewall
# Replace placeholders with your internal CIDR ranges and JDE server IP
iptables -A INPUT -p tcp --dport 443 -s 10.0.0.0/8 -d <JDE_SERVER_IP> -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -d <JDE_SERVER_IP> -j DROP