CVE-2026-50040

Medium

Description

Storage Concentrator (SC & SCVM) is vulnerable to reflected cross-site scripting due to unsanitized content being echoed back in 404 error pages. An attacker can craft a malicious URL that, when visited by an authenticated user, causes arbitrary script content to execute within the victim's browser session in the context of the application. This could be leveraged to steal session cookies, redirect users, or perform unauthorized actions on behalf of the victim.

SeverityMedium
CVSS6.1
Exploit probability—
ProductStorage Concentrator
PublishedJun 30, 2026
First seenJun 30, 2026

How to fix

Update
  • StoneFly Storage Concentrator8.0.4.22 or later
  • StoneFly Storage Concentrator Virtual Machine8.0.4.22 or later

Affected products

ProductAffected versionsFixed in
StoneFly Storage Concentratorv < 8.0.4.228.0.4.22
StoneFly Storage Concentrator Virtual Machinev < 8.0.4.228.0.4.22

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