CRITICAL

CVE-2026-56415

Q: What is CVE-2026-56415?

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.

Q: Is CVE-2026-56415 actively exploited?

Active exploitation of CVE-2026-56415 has not been confirmed. Its EPSS score was 4.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-56415?

CVE-2026-56415 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

CVSS v3

CRITICAL

EPSS Score

4.4 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-26-181-06 CISA2 known affected
StoneFly Storage Concentrator
StoneFly Storage Concentrator: <8.0.4.22 · StoneFly Storage Concentrator Virtual Machine: <8.0.4.22

Full record on NVD

Description

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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published: 2026-06-30
Last Modified: 2026-07-01

Frequently asked questions

What is CVE-2026-56415?

Is CVE-2026-56415 actively exploited?

Active exploitation of CVE-2026-56415 has not been confirmed. Its EPSS score was 4.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-56415?

CVE-2026-56415 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

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