CVE-2026-54659: Improper Limitation of a Pathname to a Restricted Directory

Pagy is agnostic pagination in plain Ruby. From 43.0.0 until 43.5.6, Pagy::I18n.locale= in gem/lib/pagy/modules/i18n/i18n.rb stored locale values verbatim and later used them as .yml path components, allowing untrusted params:locale values with absolute paths or ../ sequences to create a file...