CVE-2026-47781

Description

PDM is a Python package and dependency manager. In versions up to and including 2.26.9, PDM automatically loads project-local plugins from a .pdm-plugins directory during initialization, allowing an attacker-controlled file in an untrusted repository checkout to execute arbitrary Python code before any command is parsed. This happens because load_plugins() runs during Core.init() and adds .pdm-plugins via site.addsitedir(), which processes .pth files and immediately executes any line beginning with import, so the code runs with the privileges of the user invoking pdm and even a benign command such as pdm --version triggers it (making the impact strongest in CI, automation, and privileged contexts). The issue is fixed in version 2.27.0.

Severity (CVSS)

Weaknesses

• CWE-829 — CWE-829: Inclusion of Functionality from Untrusted Control Sphere
• CWE-94 — CWE-94: Improper Control of Generation of Code ('Code Injection')

Affected products

References

• https://github.com/pdm-project/pdm/security/advisories/GHSA-qq6c-99pv-prvf (x_refsource_CONFIRM)
• https://github.com/pdm-project/pdm/releases/tag/2.27.0 (x_refsource_MISC)