CVE-2026-28330

SolarWinds Observability Self-Hosted Cross-Site Scripting Vulnerability

Published Oct 20, 2026 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Solarwinds
Solarwinds observability Self-hosted
Vendors & Products Solarwinds
Solarwinds observability Self-hosted
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title SolarWinds Observability Self-Hosted Cross-Site Scripting Vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SolarWinds
Published
Updated
Oct 23, 2026, 4:04 PM
Reserved
Feb 26, 2026, 2:47 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 5:17 PM
Modified
Oct 20, 2026, 7:59 PM