CVE-2026-78430

sworddut mcp-ffmpeg-helper Tool handlers.ts handleToolCall os command injection

MEDIUM
5.3
CVSS Score
Published: August 24, 2026 at 07:45 PM UTC
Updated: October 12, 2026 at 03:10 PM UTC
1 product affected across 1 vendorMcp Ffmpeg Helper

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/394711
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/394711/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-78430
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/886393
ExploitIssue Tracking
Source: cverecord
https://github.com/sworddut/mcp-ffmpeg-helper/issues/6

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78CWE-77

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