CVE-2026-7847: A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function _get_

A vulnerability was found in Langchain-Chatchat (a chatbot framework) up to version 0.3.1.3 in the file upload handler component. The vulnerability involves insufficiently random values (meaning the system doesn't generate unpredictable numbers properly), which could be exploited by someone on the same local network, though the attack is difficult to carry out.