CVE-2025-40552
SolarWinds Web Help Desk Authentication Bypass Vulnerability
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploited, would allow a malicious actor to execute actions and methods that should be protected by authentication.
| CWE | CWE-1390 |
| Vendor | solarwinds |
| Product | web help desk |
| Published | Jan 28, 2026 |
| Last Updated | Feb 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
SolarWinds / Web Help Desk
12.8.8 HF1 and below
References
solarwinds.com: https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40552 documentation.solarwinds.com: https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm github.com: https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553.py
Credits
🔍 Piotr Bazydlo working with watchTowr