CVE-2026-83021

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Container). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated 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 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

CVSS v3 10.0 CRITICAL

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cspusep2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	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:::::::*

History

28 Sep 2026, 15:14

Type	Values Removed	Values Added
References	~~() https://www.oracle.com/security-alerts/cspusep2026.html -~~	() https://www.oracle.com/security-alerts/cspusep2026.html - Vendor Advisory
CPE		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:::::::*
First Time		Oracle Oracle weblogic Server

Information

Published : 2026-09-15 20:18

Updated : 2026-09-28 15:14

NVD link : CVE-2026-83021

Mitre link : CVE-2026-83021

CVE.ORG link : CVE-2026-83021

JSON object : View

Products Affected

oracle

weblogic_server

CWE

CWE-287

Improper Authentication

CWE-306

Missing Authentication for Critical Function

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