CVE-2026-55878

The CVE-2026-55878 issue affects Symfony UX Toolkit. Affected: Symfony UX versions 2.32.0–2.36.0 and 3.0.0–3.1.x (pre-2.36.1/3.2.0). The ux:install console command copies files from a recipe kit using paths listed in copy-files; because Path::isRelative() treats paths like ../../../etc as relativ...

GHSA-P9XJ-FPR2-JF2Q symfony/ux-toolkit: Path Traversal Allows Arbitrary File Write and Read via Crafted Recipe Manifest

Description The ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map. The only guard against malicious paths was Path::isRelative, which returns true for paths like ../../../etc. Path::join then resolves the .. segments without complaint, so the...