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CVE-2026-42314: Tarfile Incomplete Symlink Validationcve-2026-42314-tarfile-incomplete-symlink-validation

Tarfile extraction iterates over archive members (often to mitigate CVE-2007-4559) but fails to validate symlinks using `issym()`, `islnk()`, `linkname`, or `type`. This allows symlink escape attacks where a malicious archive creates symlinks pointing outside the extraction directory.

PythonCVE-2026-42314CWE-59CWE-61
by Provallyupdated 2026-06-12Apache-2.0
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