GHSA-RPJ2-4HQ8-938G VCR.py: Arbitrary code execution via unsafe YAML deserialization of cassette files

Summary vcrpy deserializes YAML cassette files with PyYAML's object-constructing loader yaml.CLoader / yaml.Loader instead of the safe loader yaml.CSafeLoader / yaml.SafeLoader. A cassette containing a !!python/object/apply: or similar tag therefore executes arbitrary Python code the moment the...