pnpm: Path traversal in configDependencies env lockfile allows symlink creation outside node_modules/.pnpm-config
pnpm accepts package names from the env lockfile configDependencies section and uses those names directly when creating config dependency symlinks under node_modules/.pnpm-config. A malicious repository can commit a crafted pnpm-lock.yaml whose env-lockfile document contains a traversal-shaped config dependency name such as ../../PWNED_CFGDEP. During pnpm install, pnpm installs the config dependency and creates a symlink at a path derived from that name. In local testing against pnpm v11.5.1, this caused pnpm …