CVE-2026-47763

Description

A flaw was found in pdm, a Python package and dependency manager. This vulnerability allows a local attacker to overwrite arbitrary files on the system. By crafting a malicious repository with symlinks for project-local configuration files, a local user performing pdm operations could inadvertently trigger the flaw, leading to unauthorized modification of files outside the repository's intended scope.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Confidentiality,Integrity,Access Control

Technical Impact: Read Files or Directories; Modify Files or Directories; Bypass Protection Mechanism

An attacker may be able to traverse the file system to unintended locations and read or overwrite the contents of unexpected files. If the files are used for a security mechanism then an attacker may be able to bypass the mechanism.

Other

Technical Impact: Execute Unauthorized Code or Commands

Windows simple shortcuts, sometimes referred to as soft links, can be exploited remotely since a ".LNK" file can be uploaded like a normal file. This can enable remote execution.

Frequently Asked Questions

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