What is CVE-2026-28323?

CVE-2026-28323 is a critical-severity vulnerability in Solarwinds Web Help Desk, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-30.

How severe is CVE-2026-28323?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Solarwinds Web Help Desk

CVE-2026-28323

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.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Solarwinds Web Help Desk — versions 2026.1 and all previous versions

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

psirt@solarwinds.com (x_secure-configuration-guide)
psirt@solarwinds.com (release-notes)
psirt@solarwinds.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-28323?: CVE-2026-28323 is a critical-severity vulnerability in Solarwinds Web Help Desk, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-30.
How severe is CVE-2026-28323?: Critical severity. CVSS v3 base score is 9.8 out of 10.