CVE-2026-3219

medium

Description

pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing "incorrect" files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.

References

https://mail.python.org/archives/list/[email protected]/thread/QAJ5JIVWWCAJ4EZL2FP5MOOW35JS7LRJ/

https://github.com/pypa/pip/pull/13870

http://www.openwall.com/lists/oss-security/2026/04/20/8

Details

Source: Mitre, NVD

Published: 2026-04-20

Updated: 2026-04-20

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Severity: High

CVSS v4

Base Score: 4.6

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Medium