Following the news on log4j lately, you may wonder if Python’s logging library is safe. After all, there is a potential for injection attacks where string formatting meets user input. Thankfully, Python’s logging isn’t vulnerable to remote code execution. Nonetheless it is still important to be careful with untrusted data. This article will describe some common pitfalls, and how the popular practice of logging f-strings could — in certain situations — leave you vulnerable to other t...
