# CVE-2026-3087

> Vulnerability · severity: **HIGH** (CVSS 7.5).

## Description

If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...`) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.

## Key facts

- **CVE ID:** CVE-2026-3087
- **Published:** 2026-04-27
- **CVSS severity:** HIGH
- **CVSS base score:** 7.5
- **CWE codes:** CWE-22

## Affected products

- `python:python`
- `microsoft:windows`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3087

## Citation

> AI Analytics. CVE-2026-3087. Retrieved 2026-07-13 from https://api.ai-analytics.org/cve/CVE-2026-3087. Derived from NIST NVD. Licensed CC0.

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