pip can extract console_scripts and gui_scripts outside installation directory (Python Packaging Authority pip)

CVE-2026-8643

MEDIUM 4.1

En bref

Source: NVD
EPSS: EPSS 0.32 % · centile 25 (2026-10-29)
État: PUBLISHED
Publiée: 2026-06-01 15:01 UTC
Mise à jour: 2026-09-16 12:04 UTC
Attribuée par: PSF
Statut NVD: Modified

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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.

Faiblesses (CWE)

CWE-22 — Traversée de répertoire

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	MEDIUM 4.1	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	PSF
CVSS 3.1	HIGH 8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H	redhat-SADP
CVSS 4.0	MEDIUM 4.1	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	NVD · cna@python.org (Secondary)
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	NVD · nvd@nist.gov (Primary)
CVSS 3.1	HIGH 8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H	NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary)

Avis

GHSA-wf93-45jw-7689 — pip: Path traversal in console_scripts/gui_scripts entry point names allows installing scripts outside of target directory
PYSEC-2026-196 — pip would treat console_scripts and gui_scripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, lead

Références européennes

ENISA EUVD · EUVD-2026-33682
GCVE · GCVE-0-2026-8643

Avis du CERT-FR

CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2026-AVI-1249 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2026-AVI-0783 — Multiples vulnérabilités dans Microsoft Azure · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:pypa:pip:*:*:*:*:*:*:*:* < 26.1.2

Produits affectés

Produit	Versions
Python Packaging Authority · pip	affected 24.0 < 26.1.2

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

🟡 pip can extract console_scripts and gui_scripts outside installation directory (Python Packaging Authority pip)