SolarWinds Serv-U RCE; remote code exec as root (Windows impact lower)
CVE-2026-28304 Published on July 21, 2026

SolarWinds Serv-U Remote Code Execution Vulnerability
SolarWinds Serv-U is affected by a remote code execution vulnerability that, when exploited, can allow the arbitrary execution of code remotely as root. The impact is lower in Windows deployments.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-28304 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2026-28304 has been classified to as an Authorization vulnerability or weakness.


Products Associated with CVE-2026-28304

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Affected Versions

SolarWinds Serv-U Version 15.5.4 HF1 and below is affected by CVE-2026-28304