SolarWinds Observability Self-Host XSS in URL Fields (Auth Required, Low-Level)
CVE-2025-26391 Published on November 18, 2025

SolarWinds Observability Self-Hosted XSS Vulnerability
SolarWinds Observability Self-Hosted XSS Vulnerability. The SolarWinds Platform was susceptible to a XSS vulnerability that affects user-created URL fields. This vulnerability requires authentication from a low-level account.

NVD

Vulnerability Analysis

Attack Vector:
ADJACENT_NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
CHANGED
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-2025-26391 has been classified to as a XSS vulnerability or weakness.


Affected Versions

SolarWinds Observability Self-Hosted Version SolarWinds Observability Self-Hosted 2025.4 and prior versions is affected by CVE-2025-26391

Exploit Probability

EPSS
0.09%
Percentile
24.94%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.