Перевірка безпеки
Перевіряє код або проєкт на поширені вразливості.
«Slash-коди» Claude: код / технології
Review the code below for security problems. Check input validation, authentication and authorisation, secrets in code, injection, unsafe file or network access, and error messages that leak information. For each finding give: the line, how it could be abused, how serious it is, and the fix. Say clearly which parts you could not assess from what I pasted. Code: [PASTE CODE]