Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Portal. While the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
History

Sun, 20 Sep 2026 11:00:00 +0000

Type Values Removed Values Added
Title Critical Remote Privilege Escalation via Composer in Oracle WebCenter Portal

Thu, 17 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Title Critical Remote Privilege Escalation via Composer in Oracle WebCenter Portal

Wed, 16 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Description Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Portal. While the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
First Time appeared Oracle
Oracle webcenter Portal
CPEs cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:14.1.2.0.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle webcenter Portal
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published: 2026-09-15T20:03:02.760Z

Updated: 2026-09-16T16:25:07.795Z

Reserved: 2026-08-31T15:40:57.333Z

Link: CVE-2026-83039

cve-icon Vulnrichment

Updated: 2026-09-16T15:43:36.953Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-15T20:18:12.297

Modified: 2026-09-23T15:25:34.530

Link: CVE-2026-83039

cve-icon Redhat

No data.