CVE-2024-27444: Langchain Langchain-Experimental

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

langchain_experimental (aka LangChain Experimental) in 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.

Affected products

• Langchain Langchain-Experimental: before 0.1.8 (fixed in 0.1.8)

Published 2024-02-26. Last modified 2026-06-17.