Langchain vulnerable to arbitrary code execution via the evaluate function in the numexpr library · CVE-2023-39631 · GitHub Advisory Database · GitHub

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

Critical severity GitHub Reviewed Published Sep 1, 2023 to the GitHub Advisory Database • Updated Nov 9, 2023

Package

langchain (pip)

Affected versions

< 0.0.308

Patched versions

0.0.308

Description

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

Published by the National Vulnerability Database

Sep 1, 2023

Published to the GitHub Advisory Database Sep 1, 2023

Reviewed Sep 1, 2023

Last updated Nov 9, 2023

Severity

Critical

9.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H