Critical severity · published Jul 30, 2026
CVE-2026-28323
SolarWinds Web Help Desk SAML Authentication Bypass Vulnerability
9.8
CVSS
1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WH
Web Help Desk · SolarWinds
2026.1 and all previous versions · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28323
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28323
Product
https://documentation.solarwinds.com/en/success_center/whd/content/helpdesksecureconfiguration.htm
Release Notes
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-2-1_release_notes.htm
Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28323
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