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.
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28298
https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-1-1_release_notes.htm
Source: Mitre, NVD
Published: 2026-03-26
Updated: 2026-03-31
Base Score: 7.1
Vector: CVSS2#AV:A/AC:L/Au:S/C:C/I:C/A:N
Severity: High
Base Score: 8.1
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS: 0.0003