# commander@2.20.3 security report (npm)

- Verdict: **Needs review** (risk level: medium)
- Scanned: 2026-10-04T16:33:41.000Z
- Files reviewed: 1
- Findings: 1 medium, 2 low severity findings
- Report: https://security.togoder.click/npm/commander@2.20.3
- Source: Togoder Security (https://security.togoder.click), AI source-code review

## Summary

Togoder Security scanned the npm package commander@2.20.3 on Oct 4, 2026. An AI review of 1 source file produced 1 medium, 2 low severity findings. The overall verdict is medium: the findings flag risky but common patterns (dynamic code, unsafe defaults, broad file or network access) rather than confirmed malware.

## Findings

### [medium] process_spawning

Finding ID: `NPS-D78A72987449`

File: `index.js:557`

The module uses child_process.spawn() to execute subcommands. The bin name is constructed from argv[1] and args[0] passed by the caller, and resolved via fs.realpathSync before spawning. While this is typical for CLI frameworks (this is commander.js), the spawn target is partially influenced by user-provided arguments. In a normally-installed commander package this is expected behavior, but if argv is attacker-controlled it could lead to execution of arbitrary local binaries matching the constructed name.

### [low] dynamic_module_loading

Finding ID: `NPS-610904D9622D`

File: `index.js:22`

This file is the main entry (index.js) of what appears to be commander.js. It executes top-level code on require: it instantiates a root Command, registers constructors, and sets up EventEmitter inheritance. No obfuscation, eval, network calls, or credential harvesting are present.

### [low] file_system_access

Finding ID: `NPS-B0313CEBF053`

File: `index.js:545`

Uses fs.realpathSync, fs.statSync, and path manipulation on resolved binary paths to locate and execute local executables relative to the invoking script. Legitimate for commander but worth noting as filesystem interaction beyond package scope.

## Files reviewed

- `index.js` (medium): This is the legitimate commander.js CLI framework; it spawns subcommand executables and performs local filesystem lookups, but contains no exfiltration, obfuscation, credential harvesting, or backdoor patterns.

## Version ranges

None of the 5 scanned versions of commander are flagged high or critical. The latest scanned version, 15.0.0, is medium risk. Only versions we have scanned are listed; unscanned versions between them are not covered.

- 15.0.0 (`15.0.0`): medium
- 14.0.2 – 14.0.3 (`>=14.0.2 <=14.0.3`): not scanned
- 14.0.1 (`14.0.1`): medium (process spawning)
- 14.0.0 (`14.0.0`): clean
- 13.1.0 (`13.1.0`): not scanned
- 12.1.0 (`12.1.0`): clean
- 3.0.2 – 10.0.1 (`>=3.0.2 <=10.0.1`): not scanned
- 2.20.3 (`2.20.3`): medium (process_spawning)

## Scanned versions

- [15.0.0](https://security.togoder.click/npm/commander@15.0.0): medium, 2026-10-06T14:14:48.000Z
- [14.0.1](https://security.togoder.click/npm/commander@14.0.1): medium, 2026-10-04T16:22:13.000Z
- [14.0.0](https://security.togoder.click/npm/commander@14.0.0): safe, 2026-10-04T16:05:37.000Z
- [12.1.0](https://security.togoder.click/npm/commander@12.1.0): safe, 2026-05-15T12:29:29.000Z
- [2.20.3](https://security.togoder.click/npm/commander@2.20.3): medium, 2026-10-04T16:33:41.000Z

AI analysis is guidance, not a guarantee. Methodology: https://security.togoder.click/methodology