CVE-2026-3219 — pip doesn't reject concatenated ZIP and tar archives
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…
Published: 2026-04-20 · CVSS: 4.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7