Mistral denies a fresh security breach, but the code on sale looks a lot like May's leak

(Image credit: Mistral)

Seller claims to be offering Mistral AI's full source code and says the company was breached again after May 2026 attack

Mistral says an investigation found no evidence of new unauthorized access but has not stated whether the listed code is genuine

No customer data has surfaced in analyzed samples, and nobody has shown files created after the May incident

A seller on a cybercrime forum says French giant Mistral AI has been hacked again and is…