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Limited path traversal when installing wheel archives

Python Packaging Authority pip · CVE-2026-1703
0 news outlets0 CERTs and agencies0 researchers

What is it?

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.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
2.0
EPSS
0.4%
First seen
7 h ago
Status
corroborated

All Python Packaging Authority vulnerabilities