Authorization bypass through user-controlled key in Serv-U FTP Server - CVE-2026-28314

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Main Vulnerability Database Vulnerabilities #VU139623

Authorization bypass through user-controlled key in Serv-U FTP Server - CVE-2026-28314

Published: July 27, 2026


Vulnerability identifier: #VU139623
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-28314
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SolarWinds
Affected software:
Serv-U FTP Server

Detailed vulnerability description

The vulnerability allows a remote user to take over accounts.

The vulnerability exists due to improper access control in object reference handling when processing authenticated requests. A remote privileged user can access direct object references to take over accounts.

The impact is lower in Windows deployments.


How to mitigate CVE-2026-28314

Install security update from vendor's website.

Sources