AI and data stack advisories

Severe, 6 weeks1490Projects326

1490 severe, 6 weeks · 326 projects

OracleCVE-2026-83399

Oracle WebLogic Server: takeover via Core

Oracle

CVE-2026-83399 · Published Oct 20, 2026 · updated Nov 5, 2026

Critical9.8
No fix yet
Oracle advisory

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

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
<= 15.1.1.0.0No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-287, CWE-306

More Oracle advisories

All Oracle