CVE-2026-28315 PUBLISHED

SolarWinds Serv-U Authenticated Stored Cross-site Scripting (XSS) Vulnerability

Assigner: SolarWinds
Reserved: 26.02.2026 Published: 21.07.2026 Updated: 21.07.2026

SolarWinds Serv-U was found to be affected by a stored cross-site scripting vulnerability that could lead to session hijacking or information disclosure from an administrator account.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N
CVSS Score: 6.2

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	None
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	SolarWinds
Product	Serv-U
Versions	Default: unaffected Version 15.5.4 HF1 and below is affected

Solutions

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

References

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE

Impacts

CAPEC-63 Cross-Site Scripting (XSS)