9.3
CRITICAL CVSS 3.1
CVE-2026-55721
SQL Injection in StoneFly Storage Concentrator
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.

INFO

Published Date :

June 30, 2026, 10:36 p.m.

Last Modified :

June 30, 2026, 10:36 p.m.

Remotely Exploit :

Yes !

Source :

icscert
Affected Products

The following products are affected by CVE-2026-55721 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Stonefly storage_concentrator
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
CVSS 4.0 CRITICAL 7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Solution
Sanitize cookie values processed by login.pl and debug.pl to prevent SQL injection.
  • Sanitize all user-supplied cookie values.
  • Validate and escape data used in SQL queries.
  • Update the Storage Concentrator software.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-55721 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.