A vulnerability in the FAISS.deserialize_from_bytes function of langchain-ai/langchain allows for pickle deserialization of untrusted data. This can lead to the execution of arbitrary commands via the os.system function. The issue affects the latest version of the product.
https://huntr.com/bounties/fa3a2753-57c3-4e08-a176-d7a3ffda28fe
https://github.com/langchain-ai/langchain/commit/604dfe2d99246b0c09f047c604f0c63eafba31e7