CVE-2026-87302: Critical severity Oracle WebLogic Server vulnerability
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 HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data as well as unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
Affected Software
Event History
Frequently Asked Questions
Which WebLogic Server versions are affected?
The affected supported versions are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0.
Does exploitation require credentials or user interaction?
No. The vulnerability is exploitable by an unauthenticated attacker with network access over HTTP, and it requires neither privileges nor user interaction.
What systems are realistically exposed?
WebLogic Server instances running an affected version are exposed when an attacker can reach them over HTTP. The supplied information does not identify any configuration prerequisite beyond network-accessible HTTP.
What could an attacker do after successful exploitation?
An attacker could gain unauthorized access to critical data or all data accessible to WebLogic Server, and could create, delete, or modify critical data or all WebLogic-accessible data. The CVSS vector indicates high confidentiality and integrity impact, with no availability impact specified.