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CVE-2026-1703

Limited path traversal when installing wheel archives

Published: Feb 2, 2026Updated: Feb 3, 2026 Sources: CVE List NVD GHSA BDUCWE-22
NVD MITRE
3.5CVSSLOW
EPSS Score
0.4%
Top 69.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LC:NI:LA:N
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Impact
C:NConfidentiality
None
I:LIntegrity
L
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-22

Affected Products

pipPyPIOSS Libraries
pipPython Packaging Authority
Library
OSS Libraries / pypi
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Android StudioGoogle Inc
On-premDesktop App
Mobile Apps
Python-pipPython Software FoundationOSS Libraries
pypipackage-ecosystemOSS Libraries
python packaging authorityoss-projectOSS Librariesaka pip
ооо «ред софт»commercialRUOperating Systemsaka red soft
google inccommercialUSMobile Appsaka google
python software foundationoss-projectUSOSS Librariesaka python software foundation, psf

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/pypa/pip/commit/8e227a9be4faa9594e05d02ca05a413a2a4e7735
github.com
https://github.com/pypa/pip/pull/13777
github.com
https://mail.python.org/archives/list/security-announce@python.org/thread/WIEA34D4TABF2UNQJAOMXKCICSPBE2DJ/
mail.python.org
and 7 more references View all →

Timeline

Published
Feb 2, 2026
Last Updated
Feb 3, 2026

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