CVE-2026-47764

unknowncovered by 1 sourcefirst seen 2026-08-04

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.

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Advisory coverage (1)

unknownCVE-2026-47764: pdm is a Python package and dependency manager supporting the latest PEP standards. Versions p…nvd · 2026-08-04

External references

NVD record for CVE-2026-47764

CVE.org record

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