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CVE-2026-78430— sworddut mcp-ffmpeg-helper Tool handlers.ts handleToolCall os command injection

Quick assessment

Affected
sworddut mcp-ffmpeg-helper
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 sworddut mcp-ffmpeg-helper 0.1.0/0.1.1/0.2.1 中发现了一个漏洞。该漏洞影响组件“Tool Handler”中文件 src/tools/handlers.ts 的 handleToolCall 函数。对参数格式的操作会导致操作系统命令注入（OS Command Injection）。攻击者需要具备本地访问权限才能实施攻击。目前该漏洞的利用方法已公开，可能被恶意利用。项目方已通过问题报告早期获知此漏洞，但截至目前尚未作出回应。

CVSS 5.3 · Medium EPSS 0.63% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 3

VendorProduct Version RangeStatus
sworddut mcp-ffmpeg-helper 0.1.0 affected
0.1.1 affected
0.2.1 affected
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I. Basic Information for CVE-2026-78430

Vulnerability Information
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Vulnerability Title
sworddut mcp-ffmpeg-helper Tool handlers.ts handleToolCall os command injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
sworddut mcp-ffmpeg-helper 0.1.0 cpe:2.3:a:sworddut:mcp-ffmpeg-helper:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-78430

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-78430

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Vendor Advisories for CVE-2026-78430 (2)

News Coverage for CVE-2026-78430 (1)

Other References for CVE-2026-78430 (1)

IV. Related Vulnerabilities

Same weakness: CWE-78

V. Comments for CVE-2026-78430

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