"security""web""python"
7 min readServer-Side Template Injection: When Your Template Engine Becomes a Weapon ๐ฅ๐งจ
You built a slick email system that lets users customize their messages. Cute. Now a hacker is using your Jinja2 template to read your /etc/passwd file and spawn a shell. Learn how SSTI turns friendly curly braces into a remote code execution nightmare โ and how to stop it.
Feb 22, 2026