CVE-2026-78430: Sworddut Mcp-Ffmpeg-Helper

Medium severity, CVSS 5.3. EPSS: 1.1% chance of exploitation in the next 30 days.

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.

Affected products

• Sworddut Mcp-Ffmpeg-Helper: version 0.1.0 only; version 0.1.1 only; version 0.2.1 only

Published 2026-08-24. Last modified 2026-08-26.