Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
pdm is a Python package and dependency manager supporting the latest PEP standards. It's possible to craft a malicious pdm.lock file that could allow e.g. an insider or a malicious open source project to appear to depend on a trusted PyPI project, but actually install another project. A project foo can be targeted by creating the project foo-2 and uploading the file foo-2-2.tar.gz to pypi.org. PyPI will see this as …