Bottom line: SolarWinds closes 15 critical security vulnerabilities in Serv-U through an update that enabled code execution.
SolarWinds has released an update for the data transfer software Serv-U that closes 15 critical security vulnerabilities. These allowed attackers to inject malicious code into affected systems.
SolarWinds has released a security update for Serv-U that remedies 15 critical vulnerabilities. The gaps allowed attackers to inject malicious code into affected systems. Serv-U is widely used software for secure data transfers and is frequently deployed in enterprise environments.
As a CISO, you should update affected Serv-U installations to the current version as quickly as possible. Critical vulnerabilities of this magnitude pose a significant risk to the security of your infrastructure, particularly since data transfer tools often play central roles in business processes and are accessible from outside.
First, check which versions of Serv-U are in use in your environment, and perform the update with an appropriate testing phase. You should also review your logs for suspicious activity if the systems were unpatched for an extended period.
Source: www.heise.de · Published 22 July 2026
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