CVE-2026-56415 PUBLISHED

OS Command Injection in StoneFly Storage Concentrator

Assigner: icscert
Reserved: 22.06.2026 Published: 30.06.2026 Updated: 01.07.2026

Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is reachable without authentication. A remote attacker can submit a specially crafted HTTP request containing a malicious payload that is processed without adequate input sanitization, resulting in arbitrary command execution with root-level privileges on the underlying system.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
CVSS Score: 10

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	Low
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 10

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Stonefly
Product	Storage Concentrator
Versions	Default: unaffected affected from 0 to 8.0.4.22 (excl.) Version 8.0.4.29 is unaffected

Vendor	Stonefly
Product	Storage Concentrator Virtual Machine
Versions	Default: unaffected affected from 0 to 8.0.4.22 (excl.) Version 8.0.4.29 is unaffected

Solutions

For additional questions or support, users may contact StoneFly at https://stonefly.com/contact-us/

Credits

David Yesland of Rhino Security Labs reported this vulnerability to CISA. reporter

References

Problem Types

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') CWE