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CVE-2026-83039

Last refreshed2026-10-03

Status: UPDATED  |  Advisory ID: CVE-2026-83039

Key Details

CVECVE-2026-83039
CVSS Score / Version9.9 (Critical) / CVSS v3.1
Updated2026-09-23
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is low; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsOracle webcenter_portal and Oracle Corporation Oracle WebCenter Portal
Classified asCWE-284 (Improper Access Control)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Oraclewebcenter_portal
Oracle CorporationOracle WebCenter Portal
SubsystemsGeneral OT
SectorsMultiple

What to Know

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). (NVD)

What to Do

Monitor Oracle's and Oracle Corporation's web pages for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-83039
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-83039
Vendor advisoryhttps://www.oracle.com/security-alerts/cspusep2026.html