CVE-2024-5998: LangChain pickle deserialization of untrusted data

September 17, 2024 (updated November 18, 2024)

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

github.com/advisories/GHSA-f2jm-rw3h-6phg
github.com/langchain-ai/langchain
github.com/langchain-ai/langchain/commit/77209f315efd13442ec51c67719ba37dfaa44511
huntr.com/bounties/fa3a2753-57c3-4e08-a176-d7a3ffda28fe
nvd.nist.gov/vuln/detail/CVE-2024-5998

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