VulnerabilityAnalyzed

CVE-2026-28297

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.

HIGH 8.7EPSS 0.37%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 8.7 HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
EPSS: 0.37% probability · 30th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: solarwinds/observability self-hosted
Source: psirt@solarwinds.com

References

https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-1-1_release_notes.htmRelease Notes
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28297Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.