Arbitrary Code Execution Affecting langchain package, versions [,0.0.307)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
1.16% (86th percentile)

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  • Snyk IDSNYK-PYTHON-LANGCHAIN-5880430
  • published4 Sept 2023
  • disclosed1 Sept 2023
  • creditUnknown

Introduced: 1 Sep 2023

CVE-2023-39631  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade langchain to version 0.0.307 or higher.

Overview

langchain is a Building applications with LLMs through composability

Affected versions of this package are vulnerable to Arbitrary Code Execution due to use of the evaluate() function in the numexpr library. An attacker can send arbitrary commands to the underlying eval() function by incorporating them in a malicious prompt.

CVSS Scores

version 3.1