by Kastro
Paper/Archive/CVE-2026-83039

CVE-2026-83039

Oracle Corporation Oracle WebCenter Portal — Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer).

EPSS 0.4%CVSS 9.9
critical.is priorityof 100
37
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 37.5.375 × 207.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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).

Affected

ProductAffectedFixed inSource
Oracle WebCenter Portal12.2.1.4.0–CNA
Oracle WebCenter Portal14.1.2.0.0–CNA

Scores by source

oracle (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisoryoracle.com/security-alerts/cspusep2026.html