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AgentProv

2025-07-09 · 2025-Q3

Hugging Face Poisoned GGUF Templates

Primary layerL4 Code / PackageSecondary:L2 Instruction

Where did this code come from?

The question layer 4 asks, and failed here.
Fixable
Architectural
Vendor response
Unknown
In the wild
No
Actor
Attacker

Target

Hugging Face (1.5M+ GGUF files)

Impact

Backdoor instructions embedded in model files execute inside trusted inference, evading system prompts and runtime monitoring

Root cause

No content validation of GGUF template sections

Sources

Catalog

Cite this: AgentProv incident record: Hugging Face Poisoned GGUF Templates (2025-07-09). https://agentprov.com/incidents/2025-07-09-hugging-face-poisoned-gguf-templates