Mistral AI source code allegedly offered for sale on a cybercrime forum. A threat actor using the handle “mrwho” claims to have compromised Mistral AI and obtained source code, internal development projects and web application code. The samples reportedly include a 339-file project listing and “webstral” code. The claims remain unverified, and no customer data exposure has been established. Technical breakdown: https://thecybersecguru.com/news/mistral-ai-source-code-leak-2026/