CVE-2024-27444: LangChain Experimental vulnerable to arbitrary code execution

February 26, 2024

langchain_experimental (aka LangChain Experimental) before 0.0.52, part of LangChain before 0.1.8, allows an attacker to bypass the CVE-2023-44467 fix and execute arbitrary code via the __import__, __subclasses__, __builtins__, __globals__, __getattribute__, __bases__, __mro__, or __base__ attribute in Python code. These are not prohibited by pal_chain/base.py.

References

github.com/advisories/GHSA-v8vj-cv27-hjv8
github.com/langchain-ai/langchain
github.com/langchain-ai/langchain/commit/de9a6cdf163ed00adaf2e559203ed0a9ca2f1de7
nvd.nist.gov/vuln/detail/CVE-2024-27444

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