# Command injection in Python: examples and prevention

DevFeed: [Command injection in Python: examples and prevention](<https://devfeed.tech/articles/command-injection-in-python-examples-and-prevention-7868.md>)

Original publisher: [Read original article](<https://snyk.io/blog/command-injection-python-prevention-examples/>)

Author: Rubaiat Hossain

Published: 2023-12-21T07:00:00Z

Content type: article

Language: en

Sources: [Blog RSS Feed | Snyk](<https://devfeed.tech/sources/blog-rss-feed-snyk.md>)

Topics: [Python](<https://devfeed.tech/topics/python.md>), [Security](<https://devfeed.tech/topics/security.md>), [vulnerability](<https://devfeed.tech/topics/vulnerability.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>)

Tags: [application-security](<https://devfeed.tech/tags/application-security.md>), [apps](<https://devfeed.tech/tags/apps.md>), [article](<https://devfeed.tech/tags/article.md>), [attacks](<https://devfeed.tech/tags/attacks.md>), [awareness](<https://devfeed.tech/tags/awareness.md>), [blog](<https://devfeed.tech/tags/blog.md>), [code-security](<https://devfeed.tech/tags/code-security.md>), [command-line](<https://devfeed.tech/tags/command-line.md>), [developer](<https://devfeed.tech/tags/developer.md>), [draftdotdev](<https://devfeed.tech/tags/draftdotdev.md>), [examples](<https://devfeed.tech/tags/examples.md>), [open-source-security](<https://devfeed.tech/tags/open-source-security.md>), [python](<https://devfeed.tech/tags/python.md>), [security](<https://devfeed.tech/tags/security.md>), [security-best-practices](<https://devfeed.tech/tags/security-best-practices.md>), [snyk-code](<https://devfeed.tech/tags/snyk-code.md>), [snyk-open-source](<https://devfeed.tech/tags/snyk-open-source.md>), [vulnerability](<https://devfeed.tech/tags/vulnerability.md>)

## AI overview

This article explains command injection vulnerabilities in Python applications, including how unsafe user input passed to system shells or dynamically constructed commands can enable arbitrary command execution. It describes potential consequences such as data breaches and system compromise, and presents security best practices for prevention.

## Source excerpt

In this article, you'll learn all about command injection, including how this vulnerability can manifest in your programs. You'll also learn about common security best practices to safeguard your Python apps from command injection attacks.