CVE-2026-28321

Published: Jul 21, 2026Modified: Oct 24, 2026

9.1

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploitability: 2.3 / Impact: 6.0

Source: psirt@solarwinds.com (Secondary)

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.

Affected (1)

Products: Solarwinds: Serv U

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Solarwinds Serv U	version < 2026.3

Related CWEs

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

References (2)

https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm

Source: psirt@solarwinds.com

Release NotesVendor Advisory

https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28321

Source: psirt@solarwinds.com

Vendor Advisory

Timeline

No history available yet.