CVE-2025-40554
SolarWinds Web Help Desk Authentication Bypass Vulnerability
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.8
SolarWinds Web Help Desk Authentication Bypass Vulnerability
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
- Record
CVE-2025-40554- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1390
- Updated
- 2026-11-02
EUVDEUVD-2025-206480
9.8
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
- Record
EUVD-2025-206480- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jm7r-g967-8pch
9.8
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability...
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
- Record
GHSA-jm7r-g967-8pch- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1390
- Updated
- 2026-11-02
NVD
9.8
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
- Record
CVE-2025-40554- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1390
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | SolarWinds Web Help Desk - Authentication Bypass | |
| PoC in GitHub | Skynoxk/CVE-2025-40554 | 2026-01-31 |
| PoC in GitHub | imbas007/auth-bypass-CVE-2025-40554 | 2026-01-29 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-40554 is a critical vulnerability (CVSS 9.8) in Solarwinds Web Help Desk, published January 28, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 60.6%, the 99th percentile. No source names a fixed version.