SolarWinds Serv-U Privilege Escalation Vulnerability (CVE-2026-28307)

Summary

SolarWinds Serv-U is affected by a privilege escalation vulnerability that allows a domain user group to be elevated into an administrator group. The impact is lower in Windows deployments.


Affected Products

SolarWinds Serv-U 15.5.4 HF1 and below


Fixed Software Release

SolarWinds Serv-U 2026.3


Acknowledgments

Intigriti Bug Bounty Program

Advisory Details
Severity

9.1 Critical

Advisory ID
First Published

07/21/2026

Fixed Version
CVSS Score
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