gcdRadar
archive/Supply chain/AIR-2026-0099
closedclosed 1 Sep 2026Supply chain2 Disclosed vulnerabilityAI

Hugging Face Transformers Downloads Custom Code Before Consent

Transformers

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

CVSS
7.8
EPSS
<0.01 · top 100% · 2026-11-13
fix status
Fix status unknown
first report
1 Sep 2026
last update
1 Sep 2026

Timeline · 2

  1. 1 Sep 2026CVE-2026-80047: Hugging Face Transformers downloads custom generation code before trust consent
  2. 1 Sep 2026CVE-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…

Sources · 2

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
Supply chainInfrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
dates
happened 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.
record
confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z

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

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the brief as text
# Hugging Face Transformers Downloads Custom Code Before Consent

https://gcdradar.vercel.app/incidents/hugging-face-transformers-downloads-custom-code-before-conse · AIR-2026-0099 · closed 2026-09-01

- Lane: Supply chain
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-09-01
- AI role: Attack on AI
- Products: Transformers
- CVE ids: CVE-2026-80047
- CVSS: 7.8

## Summary

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.

## What to do

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

## Latest updates

- 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… (https://nvd.nist.gov/vuln/detail/CVE-2026-80047)
- 2026-09-01: CVE-2026-80047: Hugging Face Transformers downloads custom generation code before trust consent (https://github.com/advisories/GHSA-x9r9-c232-4q39)

## Sources

- 2026-09-01 GitHub Advisory Database: CVE-2026-80047: Hugging Face Transformers downloads custom generation code before trust consent https://github.com/advisories/GHSA-x9r9-c232-4q39
- 2026-09-01 NVD: 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… https://nvd.nist.gov/vuln/detail/CVE-2026-80047

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

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