GCD AI RADAR
incidents/AIR-2026-0099

Hugging Face Transformers Downloads Custom Code Before Consent

Attack on AI2 Disclosed vulnerabilitySupply chainInfrastructure vulnerability

A vulnerability in Hugging Face Transformers allows remote Python files to be written to disk without consent. This inverts the standard security model enforced by other loading paths.

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
  • Supply chainprimary
    Malicious or backdoored models, poisoned packages, unsafe deserialization and other compromised AI dependencies.
  • Infrastructure vulnerability
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
owasp llm top 10
mitre atlas
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
Transformers
incident date
1 Sep 2026
first reported
1 Sep 2026
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-2026-80047 · code_execution · supply_chain
record
created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z · json

Sources · 2

  1. 2026-09-01
    CVE-2026-80047: Hugging Face Transformers downloads custom generation code before trust consent
    GitHub Advisory Database · github.com/advisories/GHSA-x9r9-c232-4q39
  2. 2026-09-01
    CVE-2026-80047: A vulnerability in Hugging Face Transformers (versions 4.57.0 to 5.16.1) allows remote Python files to be written to local disk…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-80047

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