CVE-2026-78430
sworddut mcp-ffmpeg-helper Tool handlers.ts handleToolCall os command injection
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 24, 2026
- Updated
- Aug 24, 2026
- Reserved
- Aug 24, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
mcp-ffmpeg-helpersworddut |
|
References
- VDB-394711 | sworddut mcp-ffmpeg-helper Tool handlers.ts handleToolCall os command injectionvdb-entrytechnical-description
- VDB-394711 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-78430 | CVE Analysis and Reportthird-party-advisory
- Submit #886393 | sworddut mcp-ffmpeg-helper (FFmpeg MCP Server; npm @sworddut/mcp-ffmpeg-helper) <=0.2.1 (0.1.0, 0.1.1, 0.2.1; no fixed release) OS Command Injectionthird-party-advisory
- https://github.com/sworddut/mcp-ffmpeg-helper/issues/6exploitissue-tracking
- https://github.com/sworddut/mcp-ffmpeg-helper/product
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.