4.1
MEDIUM CVSS 4.0
CVE-2026-8643
pip can extract console_scripts and gui_scripts outside installation directory
Description

pip would treat console_scripts and gui_scripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, leading to entry points being installed outside the installation directory.

INFO

Published Date :

June 1, 2026, 5:17 p.m.

Last Modified :

June 1, 2026, 6:12 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-8643 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM 28c92f92-d60d-412d-b760-e73465c3df22
CVSS 4.0 MEDIUM [email protected]
Solution
Address path traversal in pip script installation by sanitizing resolved paths.
  • Update pip to the latest version.
  • Verify script installation paths.
  • Implement path sanitization for script entries.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-8643.

URL Resource
https://github.com/pypa/pip/pull/14000
https://mail.python.org/archives/list/[email protected]/thread/YV63UET5D3OOJY7O4M5XCVYO2YM4NBYJ/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-8643 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-8643 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-8643 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-8643 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 01, 2026

    Action Type Old Value New Value
    Added Description pip would treat console_scripts and gui_scripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, leading to entry points being installed outside the installation directory.
    Added CVSS V4.0 AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added Reference https://github.com/pypa/pip/pull/14000
    Added Reference https://mail.python.org/archives/list/[email protected]/thread/YV63UET5D3OOJY7O4M5XCVYO2YM4NBYJ/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.