SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.

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Advisories

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Fixes

Solution

SolarWinds recommends customers upgrade to Serv-U version 2026.3 as soon as is practical.


Workaround

No workaround given by the vendor.

History

Tue, 21 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
First Time appeared Solarwinds
Solarwinds serv-u
Vendors & Products Solarwinds
Solarwinds serv-u

Tue, 21 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 21 Jul 2026 16:00:00 +0000

Type Values Removed Values Added
Description SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.
Title SolarWinds Serv-U Broken Access Control Vulnerability
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: SolarWinds

Published:

Updated: 2026-07-21T17:29:02.375Z

Reserved: 2026-02-26T14:46:41.520Z

Link: CVE-2026-28321

cve-icon Vulnrichment

Updated: 2026-07-21T17:28:56.766Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-21T22:30:05Z

Weaknesses