Mistral AI

Disclosed Jan 31, 2024Unverified

Early-access customer's employee leaked Mistral 'miqu' model weights

A quantized, watermarked older Mistral model appeared on Hugging Face and 4chan as miqu-1-70b; CEO Arthur Mensch confirmed an over-enthusiastic employee of an early-access customer had released it.

What is known

People affected	Not stated in the sources we have
Disclosed	Jan 31, 2024
Attack	Insider
Data exposed	Training dataOther
Sector	AI · FR
Status	Unverified: not yet confirmed by an official notice, a filing or the organization

Sources

Newsthe-decoder.com

Unintentional AI leak from Mistral becomes an unexpected powerhouse

Notices filed

TotalJan 31, 2024

ResearchCount not stated

Other breaches at Mistral AI

TeamPCP offers Mistral AI code repos for sale after TanStack compromiseSupply chain exposed source code.Supply chainAIFRMay 14

History of this record

Added2026-09-25

First recordedby seedSource

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

Everything about Mistral AI