IBM WebSphere Application Server Liberty 22.0.0.11 < 26.0.0.6 (7273425)

medium Nessus Plugin ID 315541

Synopsis

The remote web application server is affected by a vulnerability.

Description

The version of IBM WebSphere Application Server Liberty running on the remote host is affected by a vulnerability as referenced in the 7273425 advisory.

- IBM WebSphere Application Server Liberty could allow a remote attacker to bypass security under limited conditions by exploiting a specific timing window. (CVE-2026-5516)

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 Liberty version 26.0.0.6 or later. Alternatively, upgrade to the minimal fix pack levels required by the interim fix and then apply Interim Fix PH70798.

See Also

https://www.ibm.com/support/pages/node/7273425

Plugin Details

Severity: Medium

ID: 315541

File Name: websphere_liberty_7273425.nasl

Version: 1.1

Type: Remote

Agent: windows, macosx, unix

Family: Web Servers

Published: 5/20/2026

Updated: 5/20/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-5516

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

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-2026-5516