Overview
SolarWinds Web Help Desk contains a security control bypass vulnerability that could allow an unauthenticated attacker to gain access to certain restricted functionality.
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm ; https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40536 ; https://nvd.nist.gov/vuln/detail/CVE-2025-40536
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2025-40536 |
| Vendor / Product | SolarWinds — Web Help Desk |
| NVD Published | 2026-01-28 |
| NVD Last Modified | 2026-02-13 |
| CVSS 3.1 Score | 8.1 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Severity | HIGH |
| CWE | CWE-693 |
| CISA KEV Added | 2026-02-12 |
| CISA KEV Deadline | 2026-02-15 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2026-02-15.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2026-02-12 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2026-02-15 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2025-40536 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |