CVE-2026-28304

Critical

Description

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.

SeverityCritical

CVSS9.1

Exploit probability56. percentile0.8%

Product

Solarwinds Serv-u

PublishedJul 21, 2026

First seenJul 21, 2026

Weakness typeCWE-284Improper access control

How to fix

Update

solarwinds serv-u2026.3 or later

Vendor advisories

solarwinds.com/trust-center/security-advisories/CVE-2026-28304

Affected products

Product	Affected versions	Fixed in
solarwinds serv-u	v < 2026.3	2026.3

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