CVE-2023-39659: LangChain vulnerable to arbitrary code execution

CVE-2023-39659 · Severity: low · CVSS 3.1 · Published 2023-08-15

An issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to execute arbitrary code via a crafted script to the PythonAstREPLTool._run component.

Technologies: langchain (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2023-39659 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-39659 being exploited in the wild.
How severe is CVE-2023-39659?
Low severity, with a CVSS score of 3.1, published 15 August 2023.
Which products and versions are affected?
langchain (PyPI) ECOSYSTEM:introduced=0,fixed=0.0.233, ECOSYSTEM:introduced=0,fixed=0.0.325.
Is there a fix for CVE-2023-39659?
Yes. langchain (PyPI): upgrade to 0.0.233, 0.0.325 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-39659?
Check whether you run langchain (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • langchain (PyPI): upgrade to 0.0.233, 0.0.325 or later
    pip install "langchain>=0.0.325"

Affected products

  • langchain (PyPI) ECOSYSTEM:introduced=0,fixed=0.0.233, ECOSYSTEM:introduced=0,fixed=0.0.325

Identifiers

  • CVE-2023-39659
  • GHSA-prgp-w7vf-ch62
  • PYSEC-2023-147

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