# CVE-2026-6219: aandrew-me ytDownloader Compressor Feature compressor.js child_process.exec command injection

> Local attackers can execute arbitrary commands via the compressor feature in ytDownloader, potentially compromising the host system.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Apr 2026
- **Updated:** 14 Apr 2026
- **Also known as:** GHSA-h9w8-rqc4-pg9w

## What is CVE-2026-6219?

CVE-2026-6219 is a medium-severity command injection vulnerability in aandrew-me ytDownloader, published on 13 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was determined in aandrew-me ytDownloader up to 3.20.2. This affects the function child_process.exec of the file src/compressor.js of the component Compressor Feature. This manipulation causes command injection. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-6219?


## How do I fix CVE-2026-6219?

No fix has been published for CVE-2026-6219 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-6219 being exploited?

There is no known exploitation of CVE-2026-6219 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-6219 and fix it if it is affected.

What it is: CVE-2026-6219 is a medium-severity command injection vulnerability in aandrew-me ytDownloader, published on 13 Apr 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-2026-6219 in the wild and no public exploit code.

Affected product: aandrew-me ytDownloader. 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-2026-6219/ (Markdown: https://insights.sbomify.com/CVE-2026-6219/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-6219
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6219
- OSV: https://osv.dev/vulnerability/CVE-2026-6219

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-6219/
Summaries are generated and may contain mistakes; the official description above is the record.