CVE-2026-71039: Oracle Agile PLM Auth Bypass Vulnerability

CVE-2026-71039 Overview

CVE-2026-71039 is a high-severity vulnerability in the Oracle Agile PLM product of Oracle Supply Chain, affecting the Application Server component. The supported affected version is 9.3.6. A low-privileged attacker with network access via HTTP can exploit this flaw to fully compromise Oracle Agile PLM. The weakness is classified under CWE-284: Improper Access Control. Successful exploitation results in complete takeover of the Oracle Agile PLM instance, impacting confidentiality, integrity, and availability.

Critical Impact
Successful attacks can result in complete takeover of Oracle Agile PLM, exposing sensitive product lifecycle, engineering, and supply chain data.

Affected Products

Oracle Agile PLM 9.3.6
Oracle Supply Chain product family
Oracle Agile PLM Application Server component

Discovery Timeline

2026-08-18 - CVE-2026-71039 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-71039

Vulnerability Analysis

CVE-2026-71039 resides in the Application Server component of Oracle Agile PLM, Oracle's product lifecycle management platform. The flaw allows an authenticated attacker holding low-privileged credentials to escalate to full application takeover through HTTP-based interactions. The attack requires no user interaction and can be executed remotely across the network.

Oracle's advisory categorizes the impact as high across confidentiality, integrity, and availability. The vulnerability maps to CWE-284, indicating that the Application Server fails to enforce proper access control on sensitive operations. This class of weakness typically enables privilege boundaries to be crossed through requests that the server should reject.

At the time of publication, the EPSS probability sits at roughly 0.39%, and no public proof-of-concept exploit or CISA KEV listing has been recorded.

Root Cause

The root cause is improper access control within the Oracle Agile PLM Application Server. Authorization checks on privileged functions or resources are insufficient, permitting a user with minimal permissions to invoke operations that should be restricted to administrators. Oracle has not publicly disclosed the specific vulnerable endpoint or method.

Attack Vector

The attack vector is network-based over HTTP. An adversary needs valid low-privilege credentials to the Agile PLM application. Once authenticated, the attacker sends crafted HTTP requests to the Application Server that bypass authorization boundaries. Because attack complexity is low and no user interaction is required, exploitation is straightforward for anyone with network reachability to the Agile PLM interface.

No public exploit code is available. Refer to the Oracle Security Alert for authoritative technical guidance.

Detection Methods for CVE-2026-71039

Indicators of Compromise

Unexpected HTTP requests to Agile PLM administrative or privileged endpoints originating from low-privileged user sessions.
Sudden role, permission, or configuration changes within Agile PLM audit logs that do not correlate to authorized administrator activity.
Creation of new administrator accounts or unusual data exports from Agile PLM databases.

Detection Strategies

Correlate Agile PLM application logs with authentication logs to identify low-privileged accounts performing administrator-level actions.
Monitor Application Server access logs for anomalous HTTP request patterns targeting privileged URIs.
Baseline normal user behavior in Agile PLM and alert on deviations such as bulk data reads, permission modifications, or new integrations.

Monitoring Recommendations

Forward Oracle Agile PLM Application Server logs, WebLogic logs, and database audit logs to a centralized SIEM for correlation and retention.
Enable Oracle Agile PLM audit logging for privileged operations and role changes.
Alert on failed authorization events followed by successful privileged actions from the same session.

How to Mitigate CVE-2026-71039

Immediate Actions Required

Apply the fixes referenced in the Oracle Security Alert CSPUAUG2026 as soon as change windows allow.
Restrict network access to the Oracle Agile PLM Application Server to trusted management networks and authorized users only.
Review and reduce the number of low-privilege accounts with access to Agile PLM, and rotate credentials for any accounts suspected of exposure.
Audit Agile PLM administrator accounts, role assignments, and recent configuration changes for signs of abuse.

Patch Information

Oracle addressed CVE-2026-71039 in the August 2026 Critical Security Patch Update. Administrators must download and apply the corresponding patch for Oracle Agile PLM 9.3.6 as documented in the Oracle Security Alert. Verify patch application by validating the resulting build numbers against Oracle's published post-patch versions.

Workarounds

Place the Agile PLM Application Server behind a web application firewall configured to inspect and filter HTTP requests to privileged endpoints.
Enforce network segmentation so only VPN or bastion-host users can reach the Agile PLM interface.
Enable multi-factor authentication on all Agile PLM accounts to raise the cost of credential-based access.
Increase logging verbosity and shorten SIEM alerting thresholds for Agile PLM until patching is complete.

bash

# Example: restrict Agile PLM Application Server access at the network edge
# Allow only trusted management subnet, deny all other HTTP/HTTPS access
iptables -A INPUT -p tcp --dport 443 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP
iptables -A INPUT -p tcp --dport 7001 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 7001 -j DROP