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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-28315
StatePUBLISHED
AssignerSolarWinds
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-21 16:17:09 UTC
Updated2026-07-21 18:35:27 UTC
DescriptionSolarWinds 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.

Risk And Classification

Primary CVSS: v3.1 6.2 MEDIUM from [email protected]

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

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.2MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N
3.1CNACVSS6.2MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SolarWinds Serv-U affected 15.5.4 HF1 and below Windows, Linux

References

ReferenceSourceLinkTags
www.solarwinds.com/trust-center/security-advisories/CVE-2026-28315 [email protected] www.solarwinds.com
documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_re... [email protected] documentation.solarwinds.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

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

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