GHSA-f2jm-rw3h-6phg

LangChain pickle deserialization of untrusted data

Source: GitHub Advisory Database (reviewed) High CVE-2024-5998

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	langchain-community	< 0.2.4	0.2.4

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2024-5998 advisory
https://github.com/langchain-ai/langchain/commit/604dfe2d99246b0c09f047c604f0c63eafba31e7 web
https://github.com/langchain-ai/langchain/commit/77209f315efd13442ec51c67719ba37dfaa44511 web
https://github.com/langchain-ai/langchain package
https://huntr.com/bounties/fa3a2753-57c3-4e08-a176-d7a3ffda28fe web