What is CVE-2026-56413?

CVE-2026-56413 is a critical-severity vulnerability in Stonefly Storage Concentrator, classified under OS Command Injection. CVSS score: 10.0/10. Published 2026-06-30.

How severe is CVE-2026-56413?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Stonefly Storage Concentrator

CVE-2026-56413

Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens on TCP port 9000 by default and accepts custom network packets to perform device actions. An unauthenticated remote attacker can send a specially crafted packet containing a malicious payload that is processed without adequate sanitization, resulting in arbitrary command execution with root-level privileges.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.032 (86.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Stonefly Storage Concentrator — versions 0, 8.0.4.29
Stonefly Storage Concentrator Virtual Machine — versions 0, 8.0.4.29

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

Frequently asked questions

What is CVE-2026-56413?: CVE-2026-56413 is a critical-severity vulnerability in Stonefly Storage Concentrator, classified under OS Command Injection. CVSS score: 10.0/10. Published 2026-06-30.
How severe is CVE-2026-56413?: Critical severity. CVSS v3 base score is 10.0 out of 10.