GCD AI RADAR
incidents/AIR-2022-0040

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

Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability

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

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Infrastructure vulnerability
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
owasp llm top 10
mitre atlas
no technique for these categories
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
2 · Disclosed vulnerability
CVE or vendor advisory, patched or patchable, no confirmed exploitation.
targets
Framework / tooling
products
Gradio
incident date
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.
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
CVE-2021-43831 · path_traversal · gradio
record
created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z · json

Sources · 2

  1. 2021-12-15
    CVE-2021-43831: Gradio is an open source framework for building interactive machine learning models and demos.
    NVD · nvd.nist.gov/vuln/detail/CVE-2021-43831
  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

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