IBM WebSphere Application Server Liberty 17.0.0.3 < 26.0.0.9 DoS (7283485)

medium Nessus Plugin ID 335000

Synopsis

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

Description

The version of IBM WebSphere Application Server Liberty running on the remote host is affected by a DoS vulnerability as referenced in the 7283485 advisory.

- IBM WebSphere Application Server Liberty is affected by a denial of service caused by insecure deserialization. A low-privileged, administrative user could exploit this vulnerability to consume system resources when the restConnector-2.0 feature is enabled. CWE: CWE-502: Deserialization of Untrusted Data (CVE-2026-10571)

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 26.0.0.9 or later.

See Also

https://www.ibm.com/support/pages/node/7283485

Plugin Details

Severity: Medium

ID: 335000

File Name: websphere_liberty_7283485.nasl

Version: 1.1

Type: Remote

Agent: windows, macosx, unix

Family: Web Servers

Published: 8/13/2026

Updated: 8/13/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2026-10571

CVSS v3

Risk Factor: Medium

Base Score: 5.7

Temporal Score: 5

Vector: CVSS:3.0/AV:A/AC:L/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: 8/12/2026

Vulnerability Publication Date: 8/12/2026

Reference Information

CVE: CVE-2026-10571