---
id: CVE-2026-28330
title: SolarWinds Observability Self-Hosted Cross-Site Scripting Vulnerability
summary: >-
  SolarWinds Observability Self-Hosted was found to be affected by a stored
  Cross-Site Scripting (XSS) vulnerability that allows authenticated attackers
  to inject malicious content or JavaScript, which is displayed or executed in
  the brows…
severity: medium
cvss: 4.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: SolarWinds
product: SolarWinds Observability Self-Hosted
affected:
  - observability_self-hosted 2026.2.3 and all previous versions
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-20T18:19:21.668588Z'
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T18:19:39.299Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-28330'
references:
  - url: >-
      https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-4_release_notes.htm
  - url: 'https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28330'
  - url: >-
      https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
tags:
  - cve.org
ingestedAt: '2026-10-20T17:12:53.602Z'
---

## Overview

SolarWinds Observability Self-Hosted was found to be affected by a stored Cross-Site Scripting (XSS) vulnerability that allows authenticated attackers to inject malicious content or JavaScript, which is displayed or executed in the browsers of other authenticated users who access the affected pages.

## Affected

- `observability_self-hosted 2026.2.3 and all previous versions`

## Remediation

SolarWinds recommends customers to upgrade to Observability Self-Hosted version 2026.4 as soon as is practical.