Vulnerability Report

CVE-2026-8643

Title: Entry points installed outside installation directory

Arbitrary File Access

Proof Of Concept

No public PoC currently indexed for CVE-2026-8643.

CWE Category NVD-CWE-noinfo

Published Date Jun 01, 2026

Modified Date Jul 22, 2026

Exploit Status Not Found

Score 4.1 CVSS v4.0

Exploit Probability (EPSS)

0.32%

Vulnerability Summary

CVE-2026-8643: 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.

Impacted Vendors

pypa 1

Reference Links

https://github.com/pypa/pip/pull/14000 https://mail.python.org/archives/list/[email protected]/thread/YV63UET5D3OOJY7O4M5XCVYO2YM4NBYJ/

CVSS v4.0

Source Entity [email protected]

Severity MEDIUM

4.1

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

ACTIVE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

N/A

RAW VECTOR

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/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

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.5

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1

Source Entity 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Severity HIGH

8.0

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns