gcdRadar
archive/Patch now/AIR-2022-0040
closedclosed 15 Dec 2021Patch now2 Disclosed vulnerabilityAI

CVE-2021-43831: Local file access vulnerability in Gradio interface

Gradio

An arbitrary file read vulnerability exists in Gradio versions prior to 2.4.8 due to insecure static file serving. Attackers could access host files via exact relative paths when public links were active.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
9.3
EPSS
0.04 · top 10% · 2026-11-13
fix status
Fix status unknown
first report
15 Dec 2021
last update
21 Jan 2022

Timeline · 2

  1. 15 Dec 2021CVE-2021-43831: Gradio is an open source framework for building interactive machine learning models and demos.
  2. 21 Jan 2022CVE-2021-43831: Files on the host computer can be accessed from the Gradio interface

Sources · 2

Advisories and databases

  1. 2021-12-15
  2. 2022-01-21
    CVE-2021-43831: Files on the host computer can be accessed from the Gradio interface
    GitHub Advisory Database · github.com/advisories/GHSA-rhq2-3vr9-6mcr

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
dates
happened 21 Jan 2022 · first reported 15 Dec 2021
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

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the brief as text
# CVE-2021-43831: Local file access vulnerability in Gradio interface

https://gcdradar.vercel.app/incidents/cve-2021-43831-local-file-access-vulnerability-in-gradio-int · AIR-2022-0040 · closed 2021-12-15

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2021-12-15 (happened 2022-01-21)
- AI role: Attack on AI
- Products: Gradio
- CVE ids: CVE-2021-43831
- CVSS: 9.3

## Summary

An arbitrary file read vulnerability exists in Gradio versions prior to 2.4.8 due to insecure static file serving. Attackers could access host files via exact relative paths when public links were active.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2022-01-21: CVE-2021-43831: Files on the host computer can be accessed from the Gradio interface (https://github.com/advisories/GHSA-rhq2-3vr9-6mcr)
- 2021-12-15: CVE-2021-43831: Gradio is an open source framework for building interactive machine learning models and demos. (https://nvd.nist.gov/vuln/detail/CVE-2021-43831)

## Sources

- 2021-12-15 NVD: CVE-2021-43831: Gradio is an open source framework for building interactive machine learning models and demos. https://nvd.nist.gov/vuln/detail/CVE-2021-43831
- 2022-01-21 GitHub Advisory Database: CVE-2021-43831: Files on the host computer can be accessed from the Gradio interface https://github.com/advisories/GHSA-rhq2-3vr9-6mcr

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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