CVE-2026-28321

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.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm	Release Notes Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28321	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*

History

24 Jul 2026, 18:35

Type	Values Removed	Values Added
References	~~() https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm -~~	() https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm - Release Notes, Vendor Advisory
References	~~() https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28321 -~~	() https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28321 - Vendor Advisory
First Time		Solarwinds Solarwinds serv-u
CPE		cpe:2.3:a:solarwinds:serv-u::::::::

21 Jul 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-21 16:17

Updated : 2026-07-24 18:35

NVD link : CVE-2026-28321

Mitre link : CVE-2026-28321

CVE.ORG link : CVE-2026-28321

JSON object : View

Products Affected

solarwinds

serv-u

CWE

CWE-284

Improper Access Control

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