CVE-2026-3219: pip doesn't reject concatenated ZIP and tar archives

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Apr

Released

2026-04-23

Last Updated

2026-06-03

EPSS Score

0.14% (percentile: 4.1%)

Affected Products (8)

Open Source Software

• azl3 python-pip 24.2-6 on Azure Linux 3.0
• azl3 python-virtualenv 20.36.1-2 on Azure Linux 3.0
• azl3 python3 3.12.9-10 on Azure Linux 3.0
• cbl2 python-virtualenv 20.26.6-3 on CBL Mariner 2.0
• azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
• cbl2 python3 3.9.19-19 on CBL Mariner 2.0

Other

• 21388-17084
• 21381-17084

Revision History

• 2026-04-23: Information published.
• 2026-04-30: Information published.
• 2026-05-08: Information published.
• 2026-05-11: Information published.
• 2026-05-19: Information published.
• 2026-06-03: Information published.