# CVE-2026-50227: MQTT WebSocket Command Execution Vulnerability in NitroSense

> An unauthenticated local attacker can execute arbitrary commands via the MQTT WebSocket endpoint in Acer NitroSense.

- **Severity:** Medium 6.1 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Sep 2026
- **Updated:** 23 Sep 2026
- **Also known as:** GHSA-x445-jgfc-928v

## What is CVE-2026-50227?

CVE-2026-50227 is a medium-severity command injection vulnerability in Acer NitroSense V5, published on 23 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

An unauthenticated local attacker can connect to the MQTT broker over its localhost WebSocket endpoint in Acer NitroSense software (versions up to and including 5.2.62). This allows the attacker to invoke exposed ddsc RPC functions, including child_process.execSync(), resulting in arbitrary command execution in the application context.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-50227?


## How do I fix CVE-2026-50227?

No fix has been published for CVE-2026-50227 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-50227 being exploited?

There is no known exploitation of CVE-2026-50227 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-50227 and fix it if it is affected.

What it is: CVE-2026-50227 is a medium-severity command injection vulnerability in Acer NitroSense V5, published on 23 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-50227 in the wild and no public exploit code.

Affected product: Acer NitroSense V5. 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-2026-50227/ (Markdown: https://insights.sbomify.com/CVE-2026-50227/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-50227
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-50227
- OSV: https://osv.dev/vulnerability/CVE-2026-50227

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-50227/
Summaries are generated and may contain mistakes; the official description above is the record.