CVE-2026-70757: Critical severity Oracle Oracle WebLogic Server vulnerability

Published Sep 15, 2026

Updated

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).

Affected Software

5 affected components

Oracle Oracle WebLogic Server=12.2.1.4.0, =14.1.1.0.0, =14.1.2.0.0, =15.1.1.0.0

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

Event History

Sep 15, 2026

CVE Published

via MITRE·08:02 PM

Data Sourced

via MITRE·08:02 PM

DescriptionSeverity

Data Sourced

via NVD·08:17 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

Which deployments are exposed to this vulnerability?

Oracle WebLogic Server deployments running versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, or 15.1.1.0.0 are affected when they are reachable over the network through T3 or IIOP.

Does exploitation require credentials or user interaction?

No. The vulnerability is described as easily exploitable by an unauthenticated attacker with network access, and it requires neither privileges nor user interaction.

What is the potential impact of a successful attack?

A successful attack can result in takeover of the Oracle WebLogic Server, with high impact to confidentiality, integrity, and availability.