CVE-2026-70748

Analyzed Analyzed - Analysis Complete

Oracle WebLogic Server Remote Code Execution

Publication date: 2026-09-15

Last updated on: 2026-09-29

Assigner: Oracle

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). 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 unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-09-29

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-70748

EUVD

EUVD-2026-79509

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-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle WebLogic Server, a middleware product. It allows unauthenticated attackers to remotely compromise the server via network access using T3 or IIOP protocols. Successful exploitation can lead to complete takeover of the server. The vulnerability has a high CVSS score of 9.8 due to its impact on confidentiality, integrity, and availability.

Detection Guidance

To detect this vulnerability, check if your Oracle WebLogic Server versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, or 15.1.1.0.0 are exposed to network access via T3 or IIOP protocols. Monitor logs for unusual activity or unauthorized access attempts targeting these ports.

Impact Analysis

If you use affected versions of Oracle WebLogic Server (12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, or 15.1.1.0.0), an attacker could gain full control of your server. This could lead to data breaches, unauthorized access to sensitive information, disruption of services, or further network compromise.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, and other regulations due to unauthorized access to personal or sensitive data. A successful attack may result in data breaches, violating confidentiality requirements and potentially leading to legal penalties or loss of certification.

Mitigation Strategies

Apply the latest security patches from Oracle immediately. Restrict network access to T3 and IIOP ports using firewalls. Disable unnecessary services and protocols. Monitor for suspicious activity and update intrusion detection systems.

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