Detections
Analytics

Oracle WebLogic Server (October 2026 CPU)

critical Nessus Plugin ID 371213

Synopsis

The remote host is affected by multiple vulnerabilities

Description

The 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 versions of WebLogic Server installed on the remote host are affected by multiple vulnerabilities as referenced in the October 2026 CPU 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 HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. (CVE-2026-91323)

 - 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. (CVE-2026-83399)

 - 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 HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data as well as unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data.
 (CVE-2026-87302)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Apply the appropriate patch according to the October 2026 Oracle Critical Patch Update advisory.

See Also

https://www.oracle.com/docs/tech/security-alerts/cpuoct2026csaf.json

https://www.oracle.com/security-alerts/cpuoct2026.html

Plugin Details

Severity: Critical

ID: 371213

File Name: oracle_weblogic_server_cpu_oct_2026.nasl

Version: 1.1

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 10/23/2026

Updated: 10/23/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-83399

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:oracle:fusion_middleware, cpe:/a:oracle:weblogic_server

Patch Publication Date: 10/20/2026

Vulnerability Publication Date: 10/20/2026

Reference Information

CVE: CVE-2023-43622, CVE-2025-7962, CVE-2026-101515, CVE-2026-12817, CVE-2026-41838, CVE-2026-41839, CVE-2026-41840, CVE-2026-41841, CVE-2026-41842, CVE-2026-41843, CVE-2026-41844, CVE-2026-41845, CVE-2026-41846, CVE-2026-41848, CVE-2026-41850, CVE-2026-41851, CVE-2026-41852, CVE-2026-41853, CVE-2026-41854, CVE-2026-41855, CVE-2026-49844, CVE-2026-59645, CVE-2026-83399, CVE-2026-87302, CVE-2026-91323, CVE-2026-91502, CVE-2026-9563