CVE-2026-28325highCWE-502

CVE-2026-28325: high-severity vulnerability in SolarWinds Observability Self-Hosted

SolarWinds Observability Self-Hosted Unauthenticated Remote Code Execution Vulnerability

Published 22 Sep 2026 · Updated 23 Sep 2026

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 1.5%

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

SolarWinds · Observability Self-Hosted

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References

https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28325