{"id":"CVE-2026-47764","published":"2026-08-04T19:16:51.093","lastModified":"2026-08-05T15:16:50.377","description":"pdm is a Python package and dependency manager supporting the latest PEP standards. Versions prior to 2.27.0 are vulnerable to path traversal through write_to_fs. InstallDestination.write_to_fs() in src/pdm/installers/installers.py overrides the base class to add symlink/hardlink support but replaces the safe _path_with_destdir() (which validates via Path.resolve() + is_relative_to()) with a bare os.path.join() that performs no path validation. A malicious wheel with traversal entries can write arbitrary files. This issue has been fixed in version 2.27.0.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://github.com/pdm-project/pdm/releases/tag/2.27.0","tags":[]},{"url":"https://github.com/pdm-project/pdm/security/advisories/GHSA-78v8-vpjp-cjqh","tags":[]}],"exploitRefs":[{"url":"https://github.com/pdm-project/pdm/releases/tag/2.27.0","tags":[]},{"url":"https://github.com/pdm-project/pdm/security/advisories/GHSA-78v8-vpjp-cjqh","tags":[]}],"hasPoc":true,"ai":null}