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Critical · 9.1 CVE-2025-40549 EUVD-2025-197928GHSA-hw4c-cmmg-hp4c

SolarWinds Serv-U Path Restriction Bypass Vulnerability

Published Nov 18, 2025 · Updated Feb 26, 2026 · Assigned by SolarWinds

Description

A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory.

This issue requires administrative privileges to abuse. On Windows systems, this scored as medium due to differences in how paths and home directories are handled.

Affected products

VendorProductAffectedFixed
SolarWinds Serv-U SolarWinds Serv-U 15.5.2 and prior versions —

Advisories 1

References