CVE-2026-28323: SolarWinds Web Help Desk SAML Authentication Bypass Vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-30 · updated 2026-10-23
Weakness: CWE-287

Description

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.

Affected products

SolarWinds Web Help Desk: before 2026.2.1 — fixed in 2026.2.1

How to fix

Upgrade to a fixed version: SolarWinds Web Help Desk 2026.2.1. Check the vendor advisory for mitigations.

References

https://documentation.solarwinds.com/en/success_center/whd/content/helpdesksecureconfiguration.htm
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-2-1_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28323

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