GCD AI RADAR
incidents/AIR-2026-0358

Model Namespace Reuse AI Supply Chain Attack

Attack on AI1 Research / proof of conceptSupply chain

Researchers demonstrated an AI supply chain threat where deleted or transferred author namespaces on Hugging Face are reclaimed. Unpinned model references risk resolving to adversary-controlled artifacts instead of trusted models.

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Supply chain
    Malicious or backdoored models, poisoned packages, unsafe deserialization and other compromised AI dependencies.
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
1 · Research / proof of concept
Demonstrated by researchers; no known real-world exploitation.
targets
Framework / tooling
products
Hugging Face
incident date
3 Sep 2025
first reported
31 Jul 2026
origin
MITRE ATLAS
Derived from MITRE ATLAS (Apache 2.0, © MITRE).
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
supply-chain · hugging-face · namespace-reuse
record
created 2026-10-18 06:55Z · updated 2026-10-18 06:55Z · json

Sources · 2

  1. 2026-07-31
    Model Namespace Reuse Supply Chain Attack
    MITRE ATLAS · atlas.mitre.org/studies/AML.CS0065
  2. 2026-07-31
    Model Namespace Reuse: An AI Supply-Chain Attack Exploiting Model Name Trust
    Unit 42 · unit42.paloaltonetworks.com/model-namespace-reuse

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

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