CVE-2026-1703: Python Packaging Authority Pip

Low severity, CVSS 2.0. EPSS: 0.4% chance of exploitation in the next 30 days.

When pip is installing and extracting a maliciously crafted wheel archive, files may be extracted outside the installation directory. The path traversal is limited to prefixes of the installation directory, thus isn't able to inject or overwrite executable files in typical situations.

Affected products

• Python Packaging Authority Pip: before 26.0 (fixed in 26.0)

Published 2026-02-02. Last modified 2026-06-17.