CVE-2026-28314

Analyzed Analyzed - Analysis Complete

Insecure Direct Object Reference in SolarWinds Serv-U Leads to Account Takeover

Publication date: 2026-07-21

Last updated on: 2026-07-24

Assigner: SolarWinds

Description

SolarWinds Serv-U is affected by an insecure direct object reference vulnerability that leads to an account takeover. User authentication is required. The impact is lower in Windows deployments.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-21

Last Modified

2026-07-24

Generated

2026-08-11

AI Q&A

2026-07-21

EPSS Evaluated

2026-08-09

NVD

CVE-2026-28314

EUVD

EUVD-2026-46294

Affected Vendors & Products

Vendor	Product	Version / Range
solarwinds	serv-u	to 2026.3 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-639	The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

Executive Summary

SolarWinds Serv-U has an insecure direct object reference vulnerability that allows attackers to bypass authentication and take over user accounts. This requires some user interaction but can lead to full system compromise. The impact is less severe on Windows systems.

Detection Guidance

To detect CVE-2026-28314, check if your SolarWinds Serv-U version is 15.5.4 HF1 or below. Update to version 2026.3 or later to mitigate the risk. Monitor logs for unusual account takeover attempts or unauthorized access patterns.

Impact Analysis

An attacker could exploit this to gain unauthorized access to your Serv-U system, steal sensitive data, or perform actions as a privileged user. This could lead to data breaches, system manipulation, or further network compromise depending on your setup.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Update SolarWinds Serv-U to the latest patched version immediately. Restrict user privileges to the minimum required. Monitor for unusual account activities or unauthorized access attempts.

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