Detections
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IBM WebSphere Application Server 8.5.x < 8.5.5.30 / 9.x < 9.0.5.29 RCE (7274738)

critical Nessus Plugin ID 318160

Synopsis

The remote web application server is affected by a remote code execution vulnerability.

Description

The version of IBM WebSphere Application Server running on the remote host is affected by a remote code execution vulnerability as referenced in the 7274738 advisory.

 - IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security. (CVE-2026-9319)

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

Solution

Update to IBM WebSphere Application Server version 8.5.5.30, 9.0.5.29 or later. Alternatively, upgrade to the minimal fix pack levels required by the interim fix and then apply Interim Fix PH71454.

See Also

https://www.ibm.com/support/pages/node/7274738

Plugin Details

Severity: Critical

ID: 318160

File Name: websphere_7274738.nasl

Version: 1.1

Type: Combined

Agent: windows, macosx, unix

Family: Web Servers

Published: 6/2/2026

Updated: 6/2/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-9319

CVSS v3

Risk Factor: Critical

Base Score: 9

Temporal Score: 7.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:ibm:websphere_application_server

Required KB Items: installed_sw/IBM WebSphere Application Server

Exploit Ease: No known exploits are available

Patch Publication Date: 6/1/2026

Vulnerability Publication Date: 6/1/2026

Reference Information

CVE: CVE-2026-9319