SolarWinds Serv-U ACL flaw: domain admin can add sys admin
CVE-2026-28309 Published on July 21, 2026
SolarWinds Serv-U Broken Access Control Vulnerability
SolarWinds Serv-U is affected by a broken access control vulnerability that allows a domain administrator to create system administrator accounts. The impact is lower in Windows deployments.
Vulnerability Analysis
CVE-2026-28309 can be exploited 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.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-28309 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-28309
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