CVE-2026-28324: SolarWinds Observability Self-Hosted

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability due to the insufficient integrity checks. Installations configured in a non-default and non-secure configuration are affected.

Affected products

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

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