---
id: CVE-2026-78430
title: A vulnerability was detected in sworddut mcp-ffmpeg-helper 0.1.0/0.1.1/0.2.1
summary: >-
  A vulnerability was detected in sworddut mcp-ffmpeg-helper 0.1.0/0.1.1/0.2.1.
  This affects the function handleToolCall of the file src/tools/handlers.ts of
  the component Tool Handler. The manipulation of the argument format results in
  os…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-77
  - CWE-78
published: '2026-08-24'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T15:10:00.207'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78430'
references:
  - url: 'https://github.com/sworddut/mcp-ffmpeg-helper/'
    label: cna@vuldb.com
  - url: 'https://github.com/sworddut/mcp-ffmpeg-helper/issues/6'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-78430'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/886393'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/394711'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/394711/cti'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/886393'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.01083
epssPercentile: 0.64272
ingestedAt: '2026-10-12T15:55:08.132Z'
---

## Overview

A vulnerability was detected in sworddut mcp-ffmpeg-helper 0.1.0/0.1.1/0.2.1. This affects the function handleToolCall of the file src/tools/handlers.ts of the component Tool Handler. The manipulation of the argument format results in os command injection. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.