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).
History

Thu, 22 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via T3/IIOP in Oracle WebLogic Server

Thu, 22 Oct 2026 09:15:00 +0000

Type Values Removed Values Added
Title Easily exploitable Oracle WebLogic Server remote code execution via unauthenticated T3/IIOP access
Weaknesses CWE-284

Wed, 21 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-306
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 21 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
Title Easily exploitable Oracle WebLogic Server remote code execution via unauthenticated T3/IIOP access
Weaknesses CWE-284
CWE-287

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
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).
First Time appeared Oracle
Oracle weblogic Server
CPEs cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:14.1.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:15.1.1.0.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle weblogic Server
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published: 2026-10-20T21:23:46.187Z

Updated: 2026-10-21T10:55:18.762Z

Reserved: 2026-08-31T15:40:57.357Z

Link: CVE-2026-83399

cve-icon Vulnrichment

Updated: 2026-10-21T10:54:40.384Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T22:19:56.430

Modified: 2026-10-21T18:44:55.490

Link: CVE-2026-83399

cve-icon Redhat

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