Path traversal in pip - CVE-2026-1703
Published: March 3, 2026
Vulnerability identifier: #VU123468
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-1703
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Python Packaging Authority
Affected software:
pip
pip
Detailed vulnerability description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when installing and extracting wheel archives. A remote attacker can trick the victim into installing a malicious wheel archive and overwrite arbitrary files on the system.
How to mitigate CVE-2026-1703
Install updates from vendor's website.