← CVE Radar
CVE-2025-40536SolarWinds Web Help Desk Security Control Bypass Vulnerability
SolarWinds Web Help Desk was found to be susceptible to a security control bypass vulnerability that if exploited, could allow an unauthenticated attacker to gain access to certain restricted functionality.
9.8 CRITICALEPSS 73.56%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 8.1 | HIGH | 3.1SolarWinds (CNA) | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due Feb 15, 2026
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Details
- CVE ID
- CVE-2025-40536
- Status
- Analyzed
- Assigner (CNA)
- SolarWinds
- Published
- Jan 28, 2026
- Last modified
- 2026-06-17 09:21 UTC
- Weaknesses
- CWE-693 · Protection Mechanism Failure
Affected Products
As published by the CNA in the CVE record.
SolarWindsWeb Help Desk1 version range
- 12.8.8 HF1 and below
References
- documentation.solarwinds.com https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
- solarwinds.com https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40536
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40536
- huntress.com https://www.huntress.com/blog/active-exploitation-solarwinds-web-help-desk-cve-2025-26399