When pip is installing and extracting a maliciously crafted wheel archive, files may be extracted outside the installation directory. The path traversal is limited to prefixes of the installation directory, thus isn't able to inject or overwrite executable files in typical situations.
History

Wed, 04 Feb 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Python
Python pip
Vendors & Products Python
Python pip

Tue, 03 Feb 2026 13:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 3.9, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}

threat_severity

Low


Mon, 02 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 02 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Description When pip is installing and extracting a maliciously crafted wheel archive, files may be extracted outside the installation directory. The path traversal is limited to prefixes of the installation directory, thus isn't able to inject or overwrite executable files in typical situations.
Title Limited path traversal when installing wheel archives
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: PSF

Published: 2026-02-02T14:43:02.919Z

Updated: 2026-02-02T17:21:25.369Z

Reserved: 2026-01-30T15:17:22.133Z

Link: CVE-2026-1703

cve-icon Vulnrichment

Updated: 2026-02-02T17:21:20.363Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-02T15:16:30.510

Modified: 2026-02-03T16:44:36.630

Link: CVE-2026-1703

cve-icon Redhat

Severity : Low

Publid Date: 2026-02-02T14:43:02Z

Links: CVE-2026-1703 - Bugzilla