CVE-2026-23889

pnpm is a package manager. Prior to version 10.28.1, a path traversal vulnerability in pnpm's tarball extraction allows malicious packages to write files outside the package directory on Windows. The path normalization only checks for ./ but not .. On Windows, backslashes are directory separators...

GHSA-6X96-7VC8-CM3P pnpm has Windows-specific tarball Path Traversal

Summary A path traversal vulnerability in pnpm's tarball extraction allows malicious packages to write files outside the package directory on Windows. The path normalization only checks for ./ but not .. On Windows, backslashes are directory separators, enabling path traversal. This vulnerability...