Detections
Analytics

SolarWinds Web Help Desk < 2026.2.1 SAML Authentication Bypass (CVE-2026-28323)

critical Nessus Plugin ID 333307

Synopsis

The remote host is affected by an authentication bypass vulnerability.

Description

The version of SolarWinds Web Help Desk installed on the remote host is prior to 2026.2.1. It is, therefore, affected by a SAML authentication bypass vulnerability:

 - SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled. (CVE-2026-28323)

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

Solution

Upgrade to SolarWinds Web Help Desk version 2026.2.1 or later.

See Also

http://www.nessus.org/u?4ee50f30

http://www.nessus.org/u?d3d4a4e9

Plugin Details

Severity: Critical

ID: 333307

File Name: solarwinds_web_help_desk_CVE-2026-28323.nasl

Version: 1.1

Type: Combined

Agent: windows

Family: Misc.

Published: 8/7/2026

Updated: 8/7/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

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-2026-28323

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:solarwinds:web_help_desk

Required KB Items: installed_sw/Solarwinds Web Help Desk

Patch Publication Date: 7/30/2026

Vulnerability Publication Date: 7/23/2026

Reference Information

CVE: CVE-2026-28323

CWE: 287

IAVA: 2026-A-0815