SolarWinds Observability Self-Hosted Cross-Site Scripting Vulnerability (CVE-2026-28330)
Summary
SolarWinds Observability Self-Hosted was found to be affected by a stored Cross-Site Scripting (XSS) vulnerability that allows authenticated attackers to inject malicious content or JavaScript, which is displayed or executed in the browsers of other authenticated users who access the affected pages.
Affected Products
SolarWinds Observability Self-Hosted 2026.2.3 and below
Fixed Software Release
SolarWinds Observability Self-Hosted 2026.4
Acknowledgments
Dimitrios Titos from NATO
Georgios Sotiriadis from NATOFrank Lycops from NATO
Advisory Details
Severity
6.2 Medium
Advisory ID
First Published
10/20/2026
Fixed Version