Skip to content
OpenAdvisories
Critical · 9.1 CVE-2025-40538 EUVD-2025-207546GHSA-x366-cwf7-x9gv

SolarWinds Serv-U Broken Access Control Remote Code Execution Vulnerability

Published Feb 24, 2026 · Updated Feb 26, 2026 · Assigned by SolarWinds

Description

A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a privileged account via domain admin or group admin privileges.

This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.

Affected products

VendorProductAffectedFixed
SolarWinds Serv-U SolarWinds Serv-U 15.5.3 and prior versions —

Advisories 2

References