CVE-2026-3087: shutil.unpack_archive() doesn't check for Windows absolute paths in ZIPs

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Apr

Released

2026-05-01

Last Updated

2026-08-09

EPSS Score

0.55% (percentile: 43.1%)

Affected Products (5)

Other

• 21492-17084
• 21379-17084

Open Source Software

• azl3 python3 3.12.9-10 on Azure Linux 3.0
• azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
• cbl2 python3 3.9.19-19 on CBL Mariner 2.0

Revision History

• 2026-05-01: Information published.
• 2026-05-19: Information published.
• 2026-06-03: Information published.
• 2026-06-28: Information published.
• 2026-08-09: Information published.