XSS Vulnerability in SolarWinds Observability Platform
CVE-2025-26391

5.4MEDIUM

Key Information:

Vendor

Solarwinds
Status
Solarwinds Observability Self-hosted
Vendor
CVE Published:
18 November 2025

What is CVE-2025-26391?

The SolarWinds Observability Platform has a vulnerability that allows an attacker to exploit user-created URL fields through Cross-Site Scripting (XSS). This issue involves authenticated low-level accounts and can lead to unauthorized actions within the application, potentially affecting users and their data integrity.

Affected Version(s)

SolarWinds Observability Self-Hosted Windows SolarWinds Observability Self-Hosted 2025.4 and prior versions

References

https://www.solarwinds.com/trust-center/security-advisori...
https://documentation.solarwinds.com/en/success_center/or...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

KPN REDteam
JSON
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CVE-2025-26391 : XSS Vulnerability in SolarWinds Observability Platform