gcdRadar
archive/Patch now/AIR-2026-0721
closedclosed 3 Jun 2026Patch now2 Disclosed vulnerabilityAI

HuggingFace transformers vulnerable to arbitrary code execution in LightGlue loader

transformers

A vulnerability in the LightGlue model loading path of HuggingFace transformers overrides safety parameters using untrusted config data. This allows an attacker-controlled repository to execute arbitrary code during model initialization.

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
8.0
EPSS
0.01 · top 51% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
3 Jun 2026
last update
3 Jun 2026
CVE ids
CVE-2026-5241other records

Timeline · 1

  1. 3 Jun 2026CVE-2026-5241: huggingface/transformers: Arbitrary Code Execution During Model Initialization in the LightGlue Model Loading Path

Sources · 1

Advisories and databases

  1. 2026-06-03
    CVE-2026-5241: huggingface/transformers: Arbitrary Code Execution During Model Initialization in the LightGlue Model Loading Path
    GitHub Advisory Database · github.com/advisories/GHSA-fgcw-684q-jj6r

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Classification

lane
Patch now
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
tags
rcemodel-loading
dates
happened 3 Jun 2026 · first reported 3 Jun 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 07:00Z · updated 2026-10-18 07:00Z

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

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# HuggingFace transformers vulnerable to arbitrary code execution in LightGlue loader

https://gcdradar.vercel.app/incidents/huggingface-transformers-vulnerable-to-arbitrary-code-execut · AIR-2026-0721 · closed 2026-06-03

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-06-03
- AI role: Attack on AI
- Products: transformers
- CVE ids: CVE-2026-5241
- CVSS: 8

## Summary

A vulnerability in the LightGlue model loading path of HuggingFace transformers overrides safety parameters using untrusted config data. This allows an attacker-controlled repository to execute arbitrary code during model initialization.

## What to do

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

## Latest updates

- 2026-06-03: CVE-2026-5241: huggingface/transformers: Arbitrary Code Execution During Model Initialization in the LightGlue Model Loading Path (https://github.com/advisories/GHSA-fgcw-684q-jj6r)

## Sources

- 2026-06-03 GitHub Advisory Database: CVE-2026-5241: huggingface/transformers: Arbitrary Code Execution During Model Initialization in the LightGlue Model Loading Path https://github.com/advisories/GHSA-fgcw-684q-jj6r

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

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