Path Traversal Vulnerability in pip by Python Software Foundation
CVE-2026-1703

2LOW

Key Information:

Vendor

Python Packaging Authority

Status
Pip
Vendor
CVE Published:
2 February 2026

What is CVE-2026-1703?

A path traversal vulnerability in pip occurs when installing a maliciously crafted wheel archive, leading to files being extracted outside the intended installation directory. This could expose sensitive files or alter the environment without proper permissions, although the extraction is limited to directories that are prefixes of the installation path, thereby reducing the risk of overwriting executable files in most scenarios.

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Deploy the Patch

Affected Version(s)

pip 0 < 26.0

References

https://github.com/pypa/pip/pull/13777
patch
https://github.com/pypa/pip/commit/8e227a9be4faa9594e05d0...
patch
https://mail.python.org/archives/list/security-announce@p...
vendor-advisory

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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