# CVE-2026-56413: OS Command Injection in StoneFly Storage Concentrator

> Unauthenticated remote attackers can execute arbitrary commands with root privileges via crafted packets to the ms_service.pl service.

- **Severity:** Critical 10.0 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Jun 2026
- **Updated:** 1 Jul 2026
- **Also known as:** GHSA-h267-8j5j-27gj

## What is CVE-2026-56413?

CVE-2026-56413 is a critical command injection vulnerability in StoneFly Storage Concentrator, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

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.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-56413?


## How do I fix CVE-2026-56413?

No fix has been published for CVE-2026-56413 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-56413 being exploited?

There is no known exploitation of CVE-2026-56413 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-56413 and fix it if it is affected.

What it is: CVE-2026-56413 is a critical command injection vulnerability in StoneFly Storage Concentrator, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-56413 in the wild and no public exploit code.

Affected product: StoneFly Storage Concentrator. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-56413/ (Markdown: https://insights.sbomify.com/CVE-2026-56413/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-56413
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-56413
- OSV: https://osv.dev/vulnerability/CVE-2026-56413

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-56413/
Summaries are generated and may contain mistakes; the official description above is the record.