CVE-2026-55721

Critical

Description

Storage Concentrator (SC & SCVM) is vulnerable to SQL injection through cookie values processed by the login.pl and debug.pl scripts. The cookie value is incorporated directly into database queries without adequate sanitization, allowing an unauthenticated remote attacker to manipulate those queries and extract sensitive information from the underlying database, including session tokens, password hashes, and stored secret keys.

SeverityCritical
CVSS9.3
Exploit probability—
ProductStorage Concentrator
PublishedJun 30, 2026
First seenJun 30, 2026
Weakness typeCWE-89SQL injection

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

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.