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CVE-2026-8643— pip can extract console_scripts and gui_scripts outside installation directory

Quick assessment

Affected
Python Packaging Authority pip
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

pip是Python Packaging Authority开源的一个Python包安装程序。 pip存在安全漏洞，该漏洞源于安装恶意Python wheel时，特制入口点名称使用目录遍历或绝对路径，可能导致任意文件覆盖。

CVSS 4.1 · Medium EPSS 0.32% · P25

Affected Version Matrix 1

VendorProduct Version RangeStatus
Python Packaging Authority pip 24.0< 26.1.2 affected
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I. Basic Information for CVE-2026-8643

Vulnerability Information
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Vulnerability Title
pip can extract console_scripts and gui_scripts outside installation directory
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
pip 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pip是Python Packaging Authority开源的一个Python包安装程序。 pip存在安全漏洞，该漏洞源于安装恶意Python wheel时，特制入口点名称使用目录遍历或绝对路径，可能导致任意文件覆盖。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Python Packaging Authority pip 24.0 ~ 26.1.2 -

II. Public POCs for CVE-2026-8643

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III. Intelligence Information for CVE-2026-8643

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Patches & Fixes for CVE-2026-8643 (1)

Mailing List Discussions for CVE-2026-8643 (1)

IV. Related Vulnerabilities

Same product: pip
Same vendor: Python Packaging Authority

V. Comments for CVE-2026-8643

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