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README.md 2025-04-14 1.4 kB
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⚠️ IMPORTANT: This release fixes a critical path traversal security vulnerability in previous versions of Kemal.
All users are strongly advised to update immediately.

  • (SECURITY) Fix a Path Traversal Security issue in StaticFileHandler. See for more details. Huge THANKS to @ahmetumitbayram :pray:
  • Crystal 1.16.0 support :tada:

  • Add ability to add handlers for raised exceptions #688. Thanks @syeopite :pray:

    :::crystal require "kemal"

    class NewException < Exception end

    get "/" do | env | raise NewException.new() end

    error NewException do | env | "An error occured!" end

    Kemal.run

  • Add all_files method to params to support multiple file uploads in names ending with [] #701. Thanks @sdogruyol :pray:

    :::crystal images = env.params.all_files["images[]"]?

  • Embrace Crystal standard Log for logging #705. Thanks @hugopl :pray:

  • Cleanup temporary files for file uploads #707. Thanks @sdogruyol :pray:
  • Implement multiple partial ranges #708. Thanks @sdogruyol :pray:
Source: README.md, updated 2025-04-14