NetSight
critical9.1

CVE-2024-7774

Langchain Path Traversal vulnerability

Impact

A path traversal vulnerability exists in the `getFullPath` method of langchain-ai/langchainjs version 0.2.5. This vulnerability allows attackers to save files anywhere in the filesystem, overwrite existing text files, read `.txt` files, and delete files. The vulnerability is exploited through the `setFileContent`, `getParsedFile`, and `mdelete` methods, which do not properly sanitize user input.

Affected packages

EcosystemPackageAffectedFixed in
npmlangchain< 0.2.190.2.19

Affected products

VendorProductAffected versions
LangchainLangchain.Js
Version 0.2.5

Weakness classification

References