CVE-2026-87910

When tarfile extracts a link on a system that doesn't support links, it falls back to extracting a member from the archive. In this case, the filter function is run twice: once for the extracted member, and once with name set to the location of the link. For one of the calls, the return value was...

pip's fallback tar extraction doesn't check symbolic links point to extraction directory

When extracting a tar archive pip may not check symbolic links point into the extraction directory if the tarfile module doesn't implement PEP 706. Note that upgrading pip to a "fixed" version for this vulnerability doesn't fix all known vulnerabilities that are remediated by using a Python versi...

PT-2025-39265

Name of the Vulnerable Software and Affected Versions pip affected versions not specified Description An issue exists in pip where it may not properly check symbolic links when extracting tar archives if the tarfile module does not implement PEP 706. This can occur when using Python versions that...