CVE-2026-78430
sworddut mcp-ffmpeg-helper Tool handlers.ts handleToolCall os command injection
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.
INFO
Published Date :
Aug. 24, 2026, 8:17 p.m.
Last Modified :
Aug. 24, 2026, 8:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-78430
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update mcp-ffmpeg-helper to the latest secure version.
- Review and sanitize all input for format argument.
- Validate tool handler function inputs rigorously.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-78430.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-78430 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-78430
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-78430 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-78430 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 24, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:sworddut:mcp-ffmpeg-helper:*:*:*:*:*:*:*:*'], 'vendor': 'sworddut', 'modules': ['Tool Handler'], 'product': 'mcp-ffmpeg-helper', 'versions': [{'status': 'affected', 'version': '0.1.0'}, {'status': 'affected', 'version': '0.1.1'}, {'status': 'affected', 'version': '0.2.1'}]}] Added 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-78 Added CWE CWE-77 Added Reference https://github.com/sworddut/mcp-ffmpeg-helper/ Added Reference https://github.com/sworddut/mcp-ffmpeg-helper/issues/6 Added Reference https://vuldb.com/cve/CVE-2026-78430 Added Reference https://vuldb.com/submit/886393 Added Reference https://vuldb.com/vuln/394711 Added Reference https://vuldb.com/vuln/394711/cti -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 24, 2026
Action Type Old Value New Value Added Reference https://vuldb.com/submit/886393 Added SSVC {'id': 'CVE-2026-78430', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-24T19:58:33.285335Z'}