CVE-2024-7774 — CRITICAL (9.1)

Vulnerability Description

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.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Langchain	Langchain.Js	0.2.5

Related Weaknesses (CWE)

CWE-22 CWE-29

References

https://github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0Patch
https://huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628ceeExploitThird Party Advisory

FAQ

What is CVE-2024-7774?

CVE-2024-7774 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 exi...

How severe is CVE-2024-7774?

CVE-2024-7774 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2024-7774?

Check the references section above for vendor advisories and patch information. Affected products include: Langchain Langchain.Js.