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 versions prior to 0.2.4.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-5998
• https://huntr.com/bounties/fa3a2753-57c3-4e08-a176-d7a3ffda28fe
• langchain-ai/langchain@77209f3