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Vulnerability record · CVE-2026-28323 · published 30 July 2026

CVE-2026-28323: Solarwinds web help desk improper authentication vulnerability

Solarwinds · Web Help Desk

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.

9.8 CVSS 3.1 Critical EPSS 1.0% · top 37.8% CWE-287 · Improper authentication
9.8CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-40551SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk contains an untrusted data deserialization flaw (CWE-502) that can lead to remote code execution, allowing an attacker to ru…KEVEPSS 84%analysed9.8CVE-2025-40536SolarWinds Web Help Desk security control bypass allows unauthenticated accessSolarWinds Web Help Desk contains a security control bypass (CWE-693) that lets an unauthenticated attacker reach restricted functionality. It is rat…KEVEPSS 74%analysed9.8CVE-2025-26399SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk contains an unauthenticated deserialization flaw in the AjaxProxy component that allows remote code execution on the host. I…KEVEPSS 90%analysed9.8CVE-2024-28986SolarWinds Web Help Desk Java deserialization remote code executionSolarWinds Web Help Desk contains a Java deserialization flaw (CWE-502) that allows remote code execution on the host. The vendor originally reported…KEVEPSS 85%analysed9.1CVE-2024-28987SolarWinds Web Help Desk hardcoded credential flawSolarWinds Web Help Desk contains a hardcoded credential vulnerability (CWE-798) that lets a remote, unauthenticated attacker reach internal function…KEVEPSS 93%analysed9.8CVE-2025-40552SolarWinds Web Help Desk authentication bypassSolarWinds Web Help Desk contains an authentication bypass (CWE-1390) that lets an unauthenticated actor invoke actions and methods that should requi…EPSS 52%analysed9.8CVE-2025-40553SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk is affected by an untrusted data deserialization flaw (CWE-502) that can lead to remote code execution. The vulnerability is…EPSS 68%analysed9.8CVE-2025-40554SolarWinds Web Help Desk authentication bypassSolarWinds Web Help Desk contains an authentication bypass (CWE-1390) that lets an attacker invoke specific actions within the application without lo…EPSS 61%analysed

Source: NIST National Vulnerability Database (record CVE-2026-28323), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.