【Vulnerability Alert】Four Critical Security Vulnerabilities Have Been Identified in SolarWinds Web Help Desk (WHD)

publish date : 2026-01-30 update date : 2026-01-30

Source: Ministry of education information & communication security contingency platform

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Publication Number TACERT-ANA-2026012901010202 Publication Time 2026/01/29 13:17
Incident Type ANA-Vulnerability Alert Discovery Time 2026/01/29 13:17
Impact Level Low  
[Subject]
【Vulnerability Alert】Four Critical Security Vulnerabilities Have Been Identified in SolarWinds Web Help Desk (WHD)

[Content]
Forwarded from TWCERTCC-200-202601-00000027

Web Help Desk (WHD) is a product developed by SolarWinds. It primarily provides centralized and automated ticket management services, including ticket automation, a centralized knowledge base, and asset tracking and management, to support customers and track issues. Recently, a critical security advisory was released.

【CVE-2025-40551, CVSS: 9.8】 This is a deserialization of untrusted data vulnerability that allows unauthenticated attackers to execute commands on the host, potentially resulting in remote code execution.

【CVE-2025-40552, CVSS: 9.8】 This is an authentication bypass vulnerability. If exploited, attackers may execute services that should be protected by authentication.

【CVE-2025-40553, CVSS: 9.8】 This is a deserialization of untrusted data vulnerability that allows unauthenticated attackers to execute commands on the host, potentially resulting in remote code execution.

【CVE-2025-40554, CVSS: 9.8】 This is an authentication bypass vulnerability

(Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]
SolarWinds Web Help Desk (WHD) versions 12.8.8 HF1 and earlier
[Recommended Actions]
Apply the remediation measures in accordance with the solution released on the official website: https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
[Reference]
https://www.twcert.org.tw/tw/cp-169-10680-43bed-1.html
(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw
Organizer: Computer Center