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OracleCVE-2026-83021

Oracle WebLogic Server: takeover via Web Container

Critical10.0CVE-2026-83021 · Published Sep 15, 2026 · updated Sep 17, 2026

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).

Oracle advisory

Affected versions

PackageAffectedFixed in
Oracle WebLogic Server
Product
<= 12.2.1.4.0No fix yet
<= 14.1.1.0.0No fix yet
<= 14.1.2.0.0No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-287, CWE-306

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