RCE in Sworddut Mcp-Ffmpeg-Helper
CVE-2026-78430
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.
Vulnerability class: Command Injection (OS Command Injection)
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Sworddut Mcp-ffmpeg-helper — versions 0.1.0, 0.1.1, 0.2.1
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-78430?
- CVE-2026-78430 is a medium-severity vulnerability in Sworddut Mcp-Ffmpeg-Helper, classified under Command Injection. CVSS score: 5.3/10. Published 2026-08-24.
- How severe is CVE-2026-78430?
- Medium severity. CVSS v3 base score is 5.3 out of 10.