CVE-2026-28325: SolarWinds Observability Self-Hosted

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability stemming from deserialization of untrusted data when the application is configured to use a specific communication mode.

Affected products

• SolarWinds Observability Self-Hosted: before 2026.2.3 (fixed in 2026.2.3)

Published 2026-09-22. Last modified 2026-09-24.