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).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cpuoct2026.html |
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History
Thu, 22 Oct 2026 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated Remote Code Execution via T3/IIOP in Oracle WebLogic Server |
Thu, 22 Oct 2026 09:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Easily exploitable Oracle WebLogic Server remote code execution via unauthenticated T3/IIOP access | |
| Weaknesses | CWE-284 |
Wed, 21 Oct 2026 11:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-306 | |
| Metrics |
ssvc
|
Wed, 21 Oct 2026 07:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Easily exploitable Oracle WebLogic Server remote code execution via unauthenticated T3/IIOP access | |
| Weaknesses | CWE-284 CWE-287 |
Tue, 20 Oct 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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). | |
| First Time appeared |
Oracle
Oracle weblogic Server |
|
| CPEs | cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:* cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:* cpe:2.3:a:oracle:weblogic_server:14.1.2.0.0:*:*:*:*:*:*:* cpe:2.3:a:oracle:weblogic_server:15.1.1.0.0:*:*:*:*:*:*:* |
|
| Vendors & Products |
Oracle
Oracle weblogic Server |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-10-20T21:23:46.187Z
Updated: 2026-10-21T10:55:18.762Z
Reserved: 2026-08-31T15:40:57.357Z
Link: CVE-2026-83399
Updated: 2026-10-21T10:54:40.384Z
Status : Awaiting Analysis
Published: 2026-10-20T22:19:56.430
Modified: 2026-10-21T18:44:55.490
Link: CVE-2026-83399
No data.