GHSA-f73w-4m7g-ch9x

Langchain vulnerable to arbitrary code execution via the evaluate function in the numexpr library

Source: GitHub Advisory Database (reviewed) Critical CVE-2023-39631

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	langchain	< 0.0.308	0.0.308
PyPI	numexpr	< 2.8.5	2.8.5

Details

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

An issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary code via the evaluate function in the numexpr library. Patches: Released in v.0.0.308. numexpr dependency is optional for langchain.

References

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

https://nvd.nist.gov/vuln/detail/CVE-2023-39631 advisory
https://github.com/langchain-ai/langchain/issues/8363 web
https://github.com/pydata/numexpr/issues/442 web
https://github.com/langchain-ai/langchain/pull/11302 web
https://github.com/pydata/numexpr/commit/4b2d89cf14e75030d27629925b9998e1e91d23c7 web
https://github.com/langchain-ai/langchain package
https://github.com/langchain-ai/langchain/releases/tag/v0.0.308 web
https://github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2023-162.yaml web
https://github.com/pypa/advisory-database/tree/main/vulns/numexpr/PYSEC-2023-163.yaml web