SolarWinds Observability Self-Hosted XSS in Authenticated Pages
CVE-2026-28330 Published on October 20, 2026

SolarWinds Observability Self-Hosted Cross-Site Scripting Vulnerability
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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-28330 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2026-28330 has been classified to as a XSS vulnerability or weakness.


Affected Versions

SolarWinds Observability Self-Hosted Version 2026.2.3 and all previous versions is affected by CVE-2026-28330