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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| curupira | rubygems | < 0.1.4 | 0.1.4 |
The commit diff explicitly shows the vulnerable line User.find_by(params[:user]) being replaced with a parameterized version. Passing raw user input (params[:user]) to find_by allows attackers to manipulate query conditions, a classic SQL injection vector. The patch restricts input to a single column (email), validating the vulnerability's root cause.