CVE-2026-5271

pymanager included the current working directory in sys.path meaning modules could be shadowed by modules in the current working directory. As a result, if a user executes a pymanager-generated command (e.g., pip, pytest) from an attacker-controlled directory, a malicious module in that directory can be imported and executed instead of the intended package.

The following products are affected by CVE-2026-5271 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-5271.

URL	Resource
http://www.openwall.com/lists/oss-security/2026/04/01/5
https://github.com/python/pymanager/security/advisories/GHSA-jr5x-hgm4-rrm6