Python Pip Wheel Extraction Path Traversal (CVE-2026-1703)
CVE-2026-1703 Published on February 2, 2026
Limited path traversal when installing wheel archives
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.
Vulnerability Analysis
CVE-2026-1703 can be exploited with network access. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-1703 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-1703
Want to know whenever a new CVE is published for Python Pip? stack.watch will email you.
Affected Versions
Python Packaging Authority pip:- Before 26.0 is affected.
Vulnerable Packages
The following package name and versions may be associated with CVE-2026-1703
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| pip | dbt-common | < 1.34.2 | 1.34.2 |
| pip | dbt-common | >= 1.35.0, < 1.37.3 | 1.37.3 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.