Detections
Analytics

IBM WebSphere Application Server 8.5.x < 8.5.5.30 / 9.x < 9.0.5.28 / Liberty 19.0.0.7 < 26.0.0.6 DoS (7273424)

medium Nessus Plugin ID 315540

Synopsis

The remote web application server is affected by a DoS vulnerability.

Description

The version of IBM WebSphere Application Server running on the remote host is affected by a DoS vulnerability as referenced in the 7273424 advisory.

 - IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources. (CVE-2026-4410)

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, 9.0.5.28, 26.0.0.6 Liberty or later. Alternatively, upgrade to the minimal fix pack levels required by the interim fix and then apply Interim Fix PH70616 / PH70807.

See Also

https://www.ibm.com/support/pages/node/7273424

Plugin Details

Severity: Medium

ID: 315540

File Name: websphere_7273424.nasl

Version: 1.1

Type: Combined

Agent: windows, macosx, unix

Family: Web Servers

Published: 5/20/2026

Updated: 5/20/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2026-4410

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

Vector: CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/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: 5/19/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-4410