CVE-2024-7774

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.

Score

CVSS 3.1 9.1 Critical

Status

Analyzed - security@huntr.dev

Published

2024-10-29

Last modified

2024-10-29

Weaknesses

CWE-22, CWE-29

Affected products

• Langchain.js (Langchain)
• Langchain-ai/langchainjs (Langchain-ai)
• Langchain-ailangchainjs (Langchain-ai)

References

• https://github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0c0785e538a9
• https://huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628cee