CVE-2026-28298: SolarWinds Observability Self-Hosted

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• SolarWinds Observability Self-Hosted: before 2026.1.1 (fixed in 2026.1.1)

Published 2026-03-26. Last modified 2026-06-17.