CVE-2026-83038

Received Received - Intake

Remote Code Execution in Oracle WebLogic Server

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: TopLink Integration). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. While the vulnerability is in Oracle WebLogic Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83038

EUVD

EUVD-2026-79366

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	weblogic_server	12.2.1.4.0
oracle	weblogic_server	14.1.1.0.0
oracle	weblogic_server	14.1.2.0.0
oracle	weblogic_server	15.1.1.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle WebLogic Server, specifically in the TopLink Integration component. It affects versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. An attacker with low privileges and network access via HTTP can exploit it to take over the server.

Detection Guidance

Detection of CVE-2026-83038 requires checking for vulnerable versions of Oracle WebLogic Server. Inspect installed versions using commands like 'java -jar wls.jar -version' or 'opatch lsinventory' for patch details. Monitor Oracle's security advisories for updates. Network scanning tools like Nmap may identify WebLogic instances but cannot confirm vulnerability without version checks.

Impact Analysis

An attacker could gain full control of the Oracle WebLogic Server, leading to potential data breaches, unauthorized access to sensitive information, or disruption of services. The high CVSS score indicates severe impacts on confidentiality, integrity, and availability.

Compliance Impact

This vulnerability allows takeover of Oracle WebLogic Server, which could lead to unauthorized access to sensitive data. Such breaches may violate GDPR due to loss of personal data confidentiality and HIPAA if protected health information is exposed. Compliance risks include data protection failures and potential regulatory penalties.

Mitigation Strategies

Apply the latest security patches from Oracle for affected WebLogic Server versions (12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0). If patches are unavailable, restrict network access to the WebLogic Server via firewalls and disable unnecessary services. Monitor for unusual activity and consider isolating the server until mitigation is complete.

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