jmespath.rb (aka JMESPath for Ruby) before 1.6.1 uses JSON.load in a situation where JSON.parse is preferable.
https://stackoverflow.com/a/30050571/580231
https://github.com/jmespath/jmespath.rb/pull/55
https://github.com/jmespath/jmespath.rb/compare/v1.6.0...v1.6.1