CVE-2026-28325

High

Description

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.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Observability Self-Hosted

PublishedSep 22, 2026

First seenSep 22, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

SolarWinds Observability Self-Hosted2026.2.3 or later

Vendor advisories

documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm
solarwinds.com/trust-center/security-advisories/CVE-2026-28325

Affected products

Product	Affected versions	Fixed in
SolarWinds Observability Self-Hosted	v < 2026.2.3	2026.2.3

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