CVE-2026-83399

Critical 9.8

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).

Assigner
oracle
Published
2026-10-20
Updated
2026-10-21
Reserved
2026-08-31

Scores

SourceCVSSScoreSeverityVector
oracle3.19.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

Affected

VendorProductVersions
Oracle Corporation Oracle WebLogic Server 12.2.1.4.0 (affected)
14.1.1.0.0 (affected)
14.1.2.0.0 (affected)
15.1.1.0.0 (affected)

References

Full CVE JSON record (5.2)

API · GitHub · cve.org

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