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Critical · 9.8 CVE-2025-40553 EUVD-2025-206482GHSA-5gq3-mh83-6m28

SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability

Published Jan 28, 2026 · Updated Feb 27, 2026 · Assigned by SolarWinds

Description

SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.

Affected products

VendorProductAffectedFixed
SolarWinds Web Help Desk 12.8.8 HF1 and below —

Advisories 2

References