CVE-2026-28298
Received Received - Intake
Stored XSS in SolarWinds Observability Self-Hosted Enables Script Execution

Publication date: 2026-03-26

Last updated on: 2026-03-31

Assigner: SolarWinds

Description
SolarWinds Observability Self-Hosted was found to be affected by a stored cross-site scripting vulnerability, which when exploited, can lead to unintended script execution.
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Meta Information
Published
2026-03-26
Last Modified
2026-03-31
Generated
2026-06-16
AI Q&A
2026-03-26
EPSS Evaluated
2026-06-15
NVD
CVE-2026-28298
EUVD
EUVD-2026-16185
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
solarwinds observability_self-hosted to 2026.1.1 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Impact Analysis

Exploitation of this vulnerability can lead to the execution of malicious scripts within the SolarWinds Observability Self-Hosted environment.

This can compromise the confidentiality and integrity of information handled by the application, potentially exposing sensitive data or allowing unauthorized data manipulation.

However, there is no impact on the availability of the system.

Mitigation Strategies

To mitigate the stored cross-site scripting vulnerability in SolarWinds Observability Self-Hosted, you should upgrade to version 2026.1.1 or later, where the issue has been fixed.

This update addresses the vulnerability by preventing malicious script injection and execution, thereby enhancing the security and integrity of the software.

Compliance Impact

The stored cross-site scripting (XSS) vulnerability in SolarWinds Observability Self-Hosted can lead to unintended script execution, potentially compromising confidentiality and integrity of data.

Such compromises in confidentiality and integrity could negatively impact compliance with common standards and regulations like GDPR and HIPAA, which require protection of sensitive data and maintaining data integrity.

However, the provided information does not explicitly discuss the direct effects of this vulnerability on compliance with these standards.

Executive Summary

CVE-2026-28298 is a stored cross-site scripting (XSS) vulnerability affecting SolarWinds Observability Self-Hosted versions 2026.1 and earlier.

This vulnerability allows an attacker to inject malicious scripts that are stored and later executed unintentionally by users of the application.

When exploited, it can lead to unintended script execution within the application, potentially compromising the confidentiality and integrity of data.

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