# CVE-2023-34239: Unfiltered paths in gradio


- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Fix available:** Yes
- **Published:** 7 Jun 2023
- **Updated:** 6 Jan 2025
- **Also known as:** GHSA-3qqg-pgqq-3695, PYSEC-2023-90

## What is CVE-2023-34239?

CVE-2023-34239 is a high-severity vulnerability in Gradio Project Gradio, published on 7 Jun 2023. 

### Official description

Gradio is an open-source Python library that is used to build machine learning and data science. Due to a lack of path filtering Gradio does not properly restrict file access to users. Additionally Gradio does not properly restrict the what URLs are proxied. These issues have been addressed in version 3.34.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2023-34239?

3 open source packages ship an affected version, including gradio. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `gradio` | PyPI | All versions | 3.34.0 |
| `gradio` | PyPI | All versions | 3.34.0 |
| `gradio` | PyPI | All versions | 3.34.0 |

Products: Gradio Project Gradio.

## How do I fix CVE-2023-34239?

Upgrade gradio to 3.34.0 or later.

## Is CVE-2023-34239 being exploited?

There is no known exploitation of CVE-2023-34239 in the wild and no public exploit code.

## Other vulnerabilities in Gradio Project Gradio

- [CVE-2024-39236](https://insights.sbomify.com/CVE-2024-39236/): Withdrawn Advisory: Gradio was discovered to contain a code injection vulnerability via the component /gradio/component_meta.py (critical 9.8)
- [CVE-2023-6572](https://insights.sbomify.com/CVE-2023-6572/): Command Injection in gradio-app/gradio (critical 9.6)
- [CVE-2022-24770](https://insights.sbomify.com/CVE-2022-24770/): Improper Neutralization of Formula Elements in a CSV File in Gradio Flagging (high 8.8)
- [CVE-2026-49119](https://insights.sbomify.com/CVE-2026-49119/): Gradio < 6.16.0 Path Traversal via FileExplorer.preprocess() (high 8.7)
- [CVE-2025-23042](https://insights.sbomify.com/CVE-2025-23042/): Gradio Blocked Path ACL Bypass Vulnerability (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-34239 and fix it if it is affected.

What it is: CVE-2023-34239 is a high-severity vulnerability in Gradio Project Gradio, published on 7 Jun 2023. 
Exploitation: There is no known exploitation of CVE-2023-34239 in the wild and no public exploit code.

Affected packages and fixed versions:
- gradio (PyPI): affected all versions; fixed in 3.34.0
- gradio (PyPI): affected all versions; fixed in 3.34.0
- gradio (PyPI): affected all versions; fixed in 3.34.0

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-34239/ (Markdown: https://insights.sbomify.com/CVE-2023-34239/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-34239
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-34239
- OSV: https://osv.dev/vulnerability/CVE-2023-34239

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-34239/
Summaries are generated and may contain mistakes; the official description above is the record.